foo.cc:3:1: error: expected unqualified-id before '/' token
3 | /
| ^
In file included from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/postypes.h:98:11: error: 'ptrdiff_t' does not name a type
98 | typedef ptrdiff_t streamsize; // Signed integral type
| ^~~~~~~~~
/usr/include/c++/9/bits/postypes.h:41:1: note: 'ptrdiff_t' is defined in header '<cstddef>'; did you forget to '#include <cstddef>'?
40 | #include <cwchar> // For mbstate_t
+++ |+#include <cstddef>
41 |
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/new:125:50: error: declaration of 'operator new' as non-function
125 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^
/usr/include/c++/9/new:125:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
125 | _GLIBCXX_NODISCARD void* operator new(std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/new:126:41: error: attributes after parenthesized initializer ignored [-fpermissive]
126 | __attribute__((__externally_visible__));
| ^
/usr/include/c++/9/new:127:52: error: declaration of 'operator new []' as non-function
127 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^
/usr/include/c++/9/new:127:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
127 | _GLIBCXX_NODISCARD void* operator new[](std::size_t) _GLIBCXX_THROW (std::bad_alloc)
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/new:128:41: error: attributes after parenthesized initializer ignored [-fpermissive]
128 | __attribute__((__externally_visible__));
| ^
/usr/include/c++/9/new:139:44: error: declaration of 'operator new' as non-function
139 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/9/new:139:44: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/new:139:52: error: expected primary-expression before 'const'
139 | _GLIBCXX_NODISCARD void* operator new(std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~
/usr/include/c++/9/new:141:46: error: declaration of 'operator new []' as non-function
141 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/9/new:141:46: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/new:141:54: error: expected primary-expression before 'const'
141 | _GLIBCXX_NODISCARD void* operator new[](std::size_t, const std::nothrow_t&) _GLIBCXX_USE_NOEXCEPT
| ^~~~~
/usr/include/c++/9/new:173:51: error: declaration of 'operator new' as non-function
173 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/9/new:173:51: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/new:173:59: error: expected primary-expression before 'void'
173 | _GLIBCXX_NODISCARD inline void* operator new(std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~
/usr/include/c++/9/new:175:53: error: declaration of 'operator new []' as non-function
175 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~~~
/usr/include/c++/9/new:175:53: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/exception_ptr.h:40,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/new:175:61: error: expected primary-expression before 'void'
175 | _GLIBCXX_NODISCARD inline void* operator new[](std::size_t, void* __p) _GLIBCXX_USE_NOEXCEPT
| ^~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:361:31: error: 'std::size_t' has not been declared
361 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/9/type_traits:362:25: error: '_Size' was not declared in this scope
362 | struct is_array<_Tp[_Size]>
| ^~~~~
/usr/include/c++/9/type_traits:362:31: error: template argument 1 is invalid
362 | struct is_array<_Tp[_Size]>
| ^
/usr/include/c++/9/type_traits:560:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
560 | struct __is_null_pointer_helper<std::nullptr_t>
| ^~~~~~~~~
In file included from /usr/include/c++/9/bits/cxxabi_init_exception.h:38,
from /usr/include/c++/9/bits/exception_ptr.h:38,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:433:29: note: 'nullptr_t' declared here
433 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:560:42: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
560 | struct __is_null_pointer_helper<std::nullptr_t>
| ^~~~~~~~~
In file included from /usr/include/c++/9/bits/cxxabi_init_exception.h:38,
from /usr/include/c++/9/bits/exception_ptr.h:38,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:433:29: note: 'nullptr_t' declared here
433 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:560:51: error: template argument 1 is invalid
560 | struct __is_null_pointer_helper<std::nullptr_t>
| ^
/usr/include/c++/9/type_traits:1246:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1246 | : public integral_constant<std::size_t, alignof(_Tp)> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1246:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1246 | : public integral_constant<std::size_t, alignof(_Tp)> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1246:57: error: template argument 1 is invalid
1246 | : public integral_constant<std::size_t, alignof(_Tp)> { };
| ^
/usr/include/c++/9/type_traits:1246:57: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1251:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1251 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1251:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1251 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1251:46: error: template argument 1 is invalid
1251 | : public integral_constant<std::size_t, 0> { };
| ^
/usr/include/c++/9/type_traits:1251:46: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1253:31: error: 'std::size_t' has not been declared
1253 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/9/type_traits:1254:21: error: '_Size' was not declared in this scope
1254 | struct rank<_Tp[_Size]>
| ^~~~~
/usr/include/c++/9/type_traits:1254:27: error: template argument 1 is invalid
1254 | struct rank<_Tp[_Size]>
| ^
/usr/include/c++/9/type_traits:1255:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1255 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1255:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1255 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1255:65: error: template argument 1 is invalid
1255 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^
/usr/include/c++/9/type_traits:1255:65: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1259:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1259 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1259:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1259 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1259:65: error: template argument 1 is invalid
1259 | : public integral_constant<std::size_t, 1 + rank<_Tp>::value> { };
| ^
/usr/include/c++/9/type_traits:1259:65: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1264:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1264 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1264:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1264 | : public integral_constant<std::size_t, 0> { };
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1264:46: error: template argument 1 is invalid
1264 | : public integral_constant<std::size_t, 0> { };
| ^
/usr/include/c++/9/type_traits:1264:46: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1266:47: error: 'std::size_t' has not been declared
1266 | template<typename _Tp, unsigned _Uint, std::size_t _Size>
| ^~~~~~
/usr/include/c++/9/type_traits:1267:23: error: '_Size' was not declared in this scope
1267 | struct extent<_Tp[_Size], _Uint>
| ^~~~~
/usr/include/c++/9/type_traits:1267:36: error: template argument 1 is invalid
1267 | struct extent<_Tp[_Size], _Uint>
| ^
/usr/include/c++/9/type_traits:1268:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1268 | : public integral_constant<std::size_t,
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1268:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1268 | : public integral_constant<std::size_t,
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1269:24: error: '_Size' was not declared in this scope
1269 | _Uint == 0 ? _Size : extent<_Tp,
| ^~~~~
/usr/include/c++/9/type_traits:1270:28: error: template argument 1 is invalid
1270 | _Uint - 1>::value>
| ^
/usr/include/c++/9/type_traits:1270:28: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1275:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1275 | : public integral_constant<std::size_t,
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1275:37: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
1275 | : public integral_constant<std::size_t,
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/bits/move.h:55,
from /usr/include/c++/9/bits/nested_exception.h:40,
from /usr/include/c++/9/exception:144,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/type_traits:1277:31: error: template argument 1 is invalid
1277 | _Uint - 1>::value>
| ^
/usr/include/c++/9/type_traits:1277:31: note: invalid template non-type parameter
/usr/include/c++/9/type_traits:1832:31: error: 'std::size_t' has not been declared
1832 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/9/type_traits:1833:30: error: '_Size' was not declared in this scope
1833 | struct remove_extent<_Tp[_Size]>
| ^~~~~
/usr/include/c++/9/type_traits:1833:36: error: template argument 1 is invalid
1833 | struct remove_extent<_Tp[_Size]>
| ^
/usr/include/c++/9/type_traits:1845:31: error: 'std::size_t' has not been declared
1845 | template<typename _Tp, std::size_t _Size>
| ^~~~~~
/usr/include/c++/9/type_traits:1846:35: error: '_Size' was not declared in this scope
1846 | struct remove_all_extents<_Tp[_Size]>
| ^~~~~
/usr/include/c++/9/type_traits:1846:41: error: template argument 1 is invalid
1846 | struct remove_all_extents<_Tp[_Size]>
| ^
/usr/include/c++/9/type_traits:1904:17: error: 'std::size_t' has not been declared
1904 | template<std::size_t _Len>
| ^~~~~~
/usr/include/c++/9/type_traits:1909:23: error: '_Len' was not declared in this scope
1909 | unsigned char __data[_Len];
| ^~~~
/usr/include/c++/9/type_traits:1924:17: error: 'std::size_t' has not been declared
1924 | template<std::size_t _Len, std::size_t _Align =
| ^~~~~~
/usr/include/c++/9/type_traits:1924:35: error: 'std::size_t' has not been declared
1924 | template<std::size_t _Len, std::size_t _Align =
| ^~~~~~
/usr/include/c++/9/type_traits:1925:48: error: '_Len' was not declared in this scope
1925 | __alignof__(typename __aligned_storage_msa<_Len>::__type)>
| ^~~~
/usr/include/c++/9/type_traits:1925:52: error: template argument 1 is invalid
1925 | __alignof__(typename __aligned_storage_msa<_Len>::__type)>
| ^
/usr/include/c++/9/type_traits:1930:23: error: '_Len' was not declared in this scope
1930 | unsigned char __data[_Len];
| ^~~~
/usr/include/c++/9/type_traits:1931:37: error: '_Align' was not declared in this scope
1931 | struct __attribute__((__aligned__((_Align)))) { } __align;
| ^~~~~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:62,
from /usr/include/c++/9/bits/char_traits.h:39,
from /usr/include/c++/9/ios:40,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/type_traits.h:162:35: error: 'bool __gnu_cxx::__is_null_pointer' redeclared as different kind of entity
162 | __is_null_pointer(std::nullptr_t)
| ^
/usr/include/c++/9/ext/type_traits.h:157:5: note: previous declaration 'template<class _Type> bool __gnu_cxx::__is_null_pointer(_Type)'
157 | __is_null_pointer(_Type)
| ^~~~~~~~~~~~~~~~~
/usr/include/c++/9/ext/type_traits.h:162:26: error: 'nullptr_t' is not a member of 'std'; did you mean 'nullptr_t'?
162 | __is_null_pointer(std::nullptr_t)
| ^~~~~~~~~
In file included from /usr/include/c++/9/bits/cxxabi_init_exception.h:38,
from /usr/include/c++/9/bits/exception_ptr.h:38,
from /usr/include/c++/9/exception:143,
from /usr/include/c++/9/ios:39,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:433:29: note: 'nullptr_t' declared here
433 | typedef decltype(nullptr) nullptr_t;
| ^~~~~~~~~
In file included from /usr/include/c++/9/bits/stl_algobase.h:64,
from /usr/include/c++/9/bits/char_traits.h:39,
from /usr/include/c++/9/ios:40,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/stl_pair.h:86:17: error: 'std::size_t' has not been declared
86 | template<std::size_t...>
| ^~~~~~
/usr/include/c++/9/bits/stl_pair.h:434:41: error: 'std::size_t' has not been declared
434 | template<typename... _Args1, std::size_t... _Indexes1,
| ^~~~~~
/usr/include/c++/9/bits/stl_pair.h:435:41: error: 'std::size_t' has not been declared
435 | typename... _Args2, std::size_t... _Indexes2>
| ^~~~~~
/usr/include/c++/9/bits/stl_pair.h:437:27: error: '_Indexes1' was not declared in this scope
437 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
| ^~~~~~~~~
/usr/include/c++/9/bits/stl_pair.h:437:36: error: expected parameter pack before '...'
437 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
| ^~~
/usr/include/c++/9/bits/stl_pair.h:437:39: error: template argument 1 is invalid
437 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
| ^
/usr/include/c++/9/bits/stl_pair.h:437:55: error: '_Indexes2' was not declared in this scope
437 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
| ^~~~~~~~~
/usr/include/c++/9/bits/stl_pair.h:437:64: error: expected parameter pack before '...'
437 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
| ^~~
/usr/include/c++/9/bits/stl_pair.h:437:67: error: template argument 1 is invalid
437 | _Index_tuple<_Indexes1...>, _Index_tuple<_Indexes2...>);
| ^
In file included from /usr/include/c++/9/ios:40,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/char_traits.h:108:66: error: 'std::size_t' has not been declared
108 | compare(const char_type* __s1, const char_type* __s2, std::size_t __n);
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:110:40: error: 'size_t' in namespace 'std' does not name a type
110 | static _GLIBCXX14_CONSTEXPR std::size_t
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:114:39: error: 'std::size_t' has not been declared
114 | find(const char_type* __s, std::size_t __n, const char_type& __a);
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:117:57: error: 'std::size_t' has not been declared
117 | move(char_type* __s1, const char_type* __s2, std::size_t __n);
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:120:57: error: 'std::size_t' has not been declared
120 | copy(char_type* __s1, const char_type* __s2, std::size_t __n);
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:123:35: error: 'std::size_t' has not been declared
123 | assign(char_type* __s, std::size_t __n, char_type __a);
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:149:64: error: 'std::size_t' has not been declared
149 | compare(const char_type* __s1, const char_type* __s2, std::size_t __n)
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h: In static member function 'static int __gnu_cxx::char_traits<_CharT>::compare(const char_type*, const char_type*, int)':
/usr/include/c++/9/bits/char_traits.h:151:17: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
151 | for (std::size_t __i = 0; __i < __n; ++__i)
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/ios:40,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/char_traits.h:151:33: error: '__i' was not declared in this scope; did you mean '__n'?
151 | for (std::size_t __i = 0; __i < __n; ++__i)
| ^~~
| __n
/usr/include/c++/9/bits/char_traits.h: At global scope:
/usr/include/c++/9/bits/char_traits.h:160:31: error: 'size_t' in namespace 'std' does not name a type
160 | _GLIBCXX14_CONSTEXPR std::size_t
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:173:37: error: 'std::size_t' has not been declared
173 | find(const char_type* __s, std::size_t __n, const char_type& __a)
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h: In static member function 'static const char_type* __gnu_cxx::char_traits<_CharT>::find(const char_type*, int, const char_type&)':
/usr/include/c++/9/bits/char_traits.h:175:17: error: 'size_t' is not a member of 'std'; did you mean 'size_t'?
175 | for (std::size_t __i = 0; __i < __n; ++__i)
| ^~~~~~
In file included from /usr/include/wchar.h:35,
from /usr/include/c++/9/cwchar:44,
from /usr/include/c++/9/bits/postypes.h:40,
from /usr/include/c++/9/iosfwd:40,
from /usr/include/c++/9/ios:38,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/lib/gcc/x86_64-linux-gnu/9/include/stddef.h:209:23: note: 'size_t' declared here
209 | typedef __SIZE_TYPE__ size_t;
| ^~~~~~
In file included from /usr/include/c++/9/ios:40,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/char_traits.h:175:33: error: '__i' was not declared in this scope; did you mean '__s'?
175 | for (std::size_t __i = 0; __i < __n; ++__i)
| ^~~
| __s
/usr/include/c++/9/bits/char_traits.h: At global scope:
/usr/include/c++/9/bits/char_traits.h:184:55: error: 'std::size_t' has not been declared
184 | move(char_type* __s1, const char_type* __s2, std::size_t __n)
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:195:55: error: 'std::size_t' has not been declared
195 | copy(char_type* __s1, const char_type* __s2, std::size_t __n)
| ^~~~~~
/usr/include/c++/9/bits/char_traits.h:205:33: error: 'std::size_t' has not been declared
205 | assign(char_type* __s, std::size_t __n, char_type __a)
| ^~~~~~
In file included from /usr/include/x86_64-linux-gnu/c++/9/bits/c++allocator.h:33,
from /usr/include/c++/9/bits/allocator.h:46,
from /usr/include/c++/9/string:41,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/new_allocator.h:44:14: error: 'std::size_t' has not been declared
44 | using std::size_t;
| ^~~~~~
/usr/include/c++/9/ext/new_allocator.h:45:14: error: 'std::ptrdiff_t' has not been declared
45 | using std::ptrdiff_t;
| ^~~~~~~~~
In file included from /usr/include/c++/9/string:44,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/ostream_insert.h:45:26: error: 'streamsize' has not been declared
45 | const _CharT* __s, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/bits/ostream_insert.h: In function 'void std::__ostream_write(std::basic_ostream<_CharT, _Traits>&, const _CharT*, int)':
/usr/include/c++/9/bits/ostream_insert.h:50:13: error: 'streamsize' does not name a type
50 | const streamsize __put = __out.rdbuf()->sputn(__s, __n);
| ^~~~~~~~~~
/usr/include/c++/9/bits/ostream_insert.h:51:11: error: '__put' was not declared in this scope; did you mean '__out'?
51 | if (__put != __n)
| ^~~~~
| __out
/usr/include/c++/9/bits/ostream_insert.h: At global scope:
/usr/include/c++/9/bits/ostream_insert.h:57:59: error: 'streamsize' has not been declared
57 | __ostream_fill(basic_ostream<_CharT, _Traits>& __out, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/bits/ostream_insert.h:77:27: error: 'streamsize' has not been declared
77 | const _CharT* __s, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/bits/ostream_insert.h: In function 'std::basic_ostream<_CharT, _Traits>& std::__ostream_insert(std::basic_ostream<_CharT, _Traits>&, const _CharT*, int)':
/usr/include/c++/9/bits/ostream_insert.h:87:14: error: 'streamsize' does not name a type
87 | const streamsize __w = __out.width();
| ^~~~~~~~~~
/usr/include/c++/9/bits/ostream_insert.h:88:12: error: '__w' was not declared in this scope; did you mean '__s'?
88 | if (__w > __n)
| ^~~
| __s
/usr/include/c++/9/bits/ostream_insert.h: At global scope:
/usr/include/c++/9/bits/ostream_insert.h:118:68: error: 'streamsize' has not been declared
118 | extern template ostream& __ostream_insert(ostream&, const char*, streamsize);
| ^~~~~~~~~~
/usr/include/c++/9/bits/ostream_insert.h:122:11: error: 'streamsize' has not been declared
122 | streamsize);
| ^~~~~~~~~~
In file included from /usr/include/c++/9/ext/alloc_traits.h:36,
from /usr/include/c++/9/bits/basic_string.h:40,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/alloc_traits.h:411:36: error: 'ptrdiff_t' in namespace 'std' does not name a type
411 | using difference_type = std::ptrdiff_t;
| ^~~~~~~~~
/usr/include/c++/9/bits/alloc_traits.h:414:30: error: 'size_t' in namespace 'std' does not name a type
414 | using size_type = std::size_t;
| ^~~~~~
/usr/include/c++/9/bits/alloc_traits.h:442:37: error: 'size_type' has not been declared
442 | allocate(allocator_type& __a, size_type __n)
| ^~~~~~~~~
/usr/include/c++/9/bits/alloc_traits.h:456:37: error: 'size_type' has not been declared
456 | allocate(allocator_type& __a, size_type __n, const_void_pointer __hint)
| ^~~~~~~~~
/usr/include/c++/9/bits/alloc_traits.h:468:52: error: 'size_type' has not been declared
468 | deallocate(allocator_type& __a, pointer __p, size_type __n)
| ^~~~~~~~~
/usr/include/c++/9/bits/alloc_traits.h:503:14: error: 'size_type' does not name a type; did you mean 'true_type'?
503 | static size_type
| ^~~~~~~~~
| true_type
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:55:51: error: 'std::size_t' has not been declared
55 | const char* __name, const _CharT* __str, std::size_t* __idx,
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:48: error: 'std::size_t' has not been declared
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:100:31: error: 'std::size_t' has not been declared
100 | __builtin_va_list), std::size_t __n,
| ^~~~~~
In file included from /usr/include/c++/9/bits/basic_string.h:40,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/alloc_traits.h: In instantiation of 'struct __gnu_cxx::__alloc_traits<std::allocator<char>, char>':
/usr/include/c++/9/bits/basic_string.h:84:24: required from 'class std::__cxx11::basic_string<char>'
/usr/include/c++/9/bits/basic_string.h:6507:68: required from here
/usr/include/c++/9/ext/alloc_traits.h:61:53: error: no type named 'size_type' in 'struct std::allocator_traits<std::allocator<char> >'
61 | typedef typename _Base_type::size_type size_type;
| ^~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:62:53: error: no type named 'difference_type' in 'struct std::allocator_traits<std::allocator<char> >'
62 | typedef typename _Base_type::difference_type difference_type;
| ^~~~~~~~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:70:23: error: no members matching '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::_Base_type {aka std::allocator_traits<std::allocator<char> >}::max_size' in '__gnu_cxx::__alloc_traits<std::allocator<char>, char>::_Base_type' {aka 'struct std::allocator_traits<std::allocator<char> >'}
70 | using _Base_type::max_size;
| ^~~~~~~~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h: In function 'int std::__cxx11::stoi(const string&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6508:19: error: no matching function for call to '__stoa<long int, int>(long int (*)(const char*, char**, int) throw (), const char [5], const char*, size_t*&, int&)'
6508 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6508:6: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6508 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long int std::__cxx11::stol(const string&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6513:22: error: no matching function for call to '__stoa(long int (*)(const char*, char**, int) throw (), const char [5], const char*, size_t*&, int&)'
6513 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6513:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6513 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long unsigned int std::__cxx11::stoul(const string&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6518:22: error: no matching function for call to '__stoa(long unsigned int (*)(const char*, char**, int) throw (), const char [6], const char*, size_t*&, int&)'
6518 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6518:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6518 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long long int std::__cxx11::stoll(const string&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6523:22: error: no matching function for call to '__stoa(long long int (*)(const char*, char**, int) throw (), const char [6], const char*, size_t*&, int&)'
6523 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6523:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6523 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long long unsigned int std::__cxx11::stoull(const string&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6528:22: error: no matching function for call to '__stoa(long long unsigned int (*)(const char*, char**, int) throw (), const char [7], const char*, size_t*&, int&)'
6528 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6528:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6528 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'float std::__cxx11::stof(const string&, size_t*)':
/usr/include/c++/9/bits/basic_string.h:6533:72: error: no matching function for call to '__stoa(float (*)(const char*, char**) throw (), const char [5], const char*, size_t*&)'
6533 | { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6533:67: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6533 | { return __gnu_cxx::__stoa(&std::strtof, "stof", __str.c_str(), __idx); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'double std::__cxx11::stod(const string&, size_t*)':
/usr/include/c++/9/bits/basic_string.h:6537:72: error: no matching function for call to '__stoa(double (*)(const char*, char**) throw (), const char [5], const char*, size_t*&)'
6537 | { return __gnu_cxx::__stoa(&std::strtod, "stod", __str.c_str(), __idx); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6537:67: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6537 | { return __gnu_cxx::__stoa(&std::strtod, "stod", __str.c_str(), __idx); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long double std::__cxx11::stold(const string&, size_t*)':
/usr/include/c++/9/bits/basic_string.h:6541:74: error: no matching function for call to '__stoa(long double (*)(const char*, char**) throw (), const char [6], const char*, size_t*&)'
6541 | { return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6541:69: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6541 | { return __gnu_cxx::__stoa(&std::strtold, "stold", __str.c_str(), __idx); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(int)':
/usr/include/c++/9/bits/basic_string.h:6551:20: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), long unsigned int, const char [3], int&)'
6551 | "%d", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6551:20: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6551 | "%d", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(unsigned int)':
/usr/include/c++/9/bits/basic_string.h:6557:20: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), long unsigned int, const char [3], unsigned int&)'
6557 | "%u", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6557:20: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6557 | "%u", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(long int)':
/usr/include/c++/9/bits/basic_string.h:6562:21: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), long unsigned int, const char [4], long int&)'
6562 | "%ld", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6562:21: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6562 | "%ld", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(long unsigned int)':
/usr/include/c++/9/bits/basic_string.h:6568:21: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), long unsigned int, const char [4], long unsigned int&)'
6568 | "%lu", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6568:21: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6568 | "%lu", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(long long int)':
/usr/include/c++/9/bits/basic_string.h:6574:22: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), long unsigned int, const char [5], long long int&)'
6574 | "%lld", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6574:22: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6574 | "%lld", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(long long unsigned int)':
/usr/include/c++/9/bits/basic_string.h:6580:22: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), long unsigned int, const char [5], long long unsigned int&)'
6580 | "%llu", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6580:22: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6580 | "%llu", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(float)':
/usr/include/c++/9/bits/basic_string.h:6588:20: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), const int&, const char [3], float&)'
6588 | "%f", __val);
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6588:20: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6588 | "%f", __val);
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(double)':
/usr/include/c++/9/bits/basic_string.h:6597:20: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), const int&, const char [3], double&)'
6597 | "%f", __val);
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6597:20: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6597 | "%f", __val);
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::string std::__cxx11::to_string(long double)':
/usr/include/c++/9/bits/basic_string.h:6606:21: error: no matching function for call to '__to_xstring<std::string>(int (*)(char*, size_t, const char*, __va_list_tag*) throw (), const int&, const char [4], long double&)'
6606 | "%Lf", __val);
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6606:21: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6606 | "%Lf", __val);
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:40,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/alloc_traits.h: In instantiation of 'struct __gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>':
/usr/include/c++/9/bits/basic_string.h:84:24: required from 'class std::__cxx11::basic_string<wchar_t>'
/usr/include/c++/9/bits/basic_string.h:6613:68: required from here
/usr/include/c++/9/ext/alloc_traits.h:61:53: error: no type named 'size_type' in 'struct std::allocator_traits<std::allocator<wchar_t> >'
61 | typedef typename _Base_type::size_type size_type;
| ^~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:62:53: error: no type named 'difference_type' in 'struct std::allocator_traits<std::allocator<wchar_t> >'
62 | typedef typename _Base_type::difference_type difference_type;
| ^~~~~~~~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:70:23: error: no members matching '__gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>::_Base_type {aka std::allocator_traits<std::allocator<wchar_t> >}::max_size' in '__gnu_cxx::__alloc_traits<std::allocator<wchar_t>, wchar_t>::_Base_type' {aka 'struct std::allocator_traits<std::allocator<wchar_t> >'}
70 | using _Base_type::max_size;
| ^~~~~~~~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h: In function 'int std::__cxx11::stoi(const wstring&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6614:19: error: no matching function for call to '__stoa<long int, int>(long int (*)(const wchar_t*, wchar_t**, int) throw (), const char [5], const wchar_t*, size_t*&, int&)'
6614 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6614:6: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6614 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long int std::__cxx11::stol(const wstring&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6619:22: error: no matching function for call to '__stoa(long int (*)(const wchar_t*, wchar_t**, int) throw (), const char [5], const wchar_t*, size_t*&, int&)'
6619 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6619:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6619 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long unsigned int std::__cxx11::stoul(const wstring&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6624:22: error: no matching function for call to '__stoa(long unsigned int (*)(const wchar_t*, wchar_t**, int) throw (), const char [6], const wchar_t*, size_t*&, int&)'
6624 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6624:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6624 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long long int std::__cxx11::stoll(const wstring&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6629:22: error: no matching function for call to '__stoa(long long int (*)(const wchar_t*, wchar_t**, int) throw (), const char [6], const wchar_t*, size_t*&, int&)'
6629 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6629:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6629 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long long unsigned int std::__cxx11::stoull(const wstring&, size_t*, int)':
/usr/include/c++/9/bits/basic_string.h:6634:22: error: no matching function for call to '__stoa(long long unsigned int (*)(const wchar_t*, wchar_t**, int) throw (), const char [7], const wchar_t*, size_t*&, int&)'
6634 | __idx, __base); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6634:9: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6634 | __idx, __base); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'float std::__cxx11::stof(const wstring&, size_t*)':
/usr/include/c++/9/bits/basic_string.h:6639:72: error: no matching function for call to '__stoa(float (*)(const wchar_t*, wchar_t**) throw (), const char [5], const wchar_t*, size_t*&)'
6639 | { return __gnu_cxx::__stoa(&std::wcstof, "stof", __str.c_str(), __idx); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6639:67: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6639 | { return __gnu_cxx::__stoa(&std::wcstof, "stof", __str.c_str(), __idx); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'double std::__cxx11::stod(const wstring&, size_t*)':
/usr/include/c++/9/bits/basic_string.h:6643:72: error: no matching function for call to '__stoa(double (*)(const wchar_t*, wchar_t**) throw (), const char [5], const wchar_t*, size_t*&)'
6643 | { return __gnu_cxx::__stoa(&std::wcstod, "stod", __str.c_str(), __idx); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6643:67: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6643 | { return __gnu_cxx::__stoa(&std::wcstod, "stod", __str.c_str(), __idx); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'long double std::__cxx11::stold(const wstring&, size_t*)':
/usr/include/c++/9/bits/basic_string.h:6647:74: error: no matching function for call to '__stoa(long double (*)(const wchar_t*, wchar_t**) throw (), const char [6], const wchar_t*, size_t*&)'
6647 | { return __gnu_cxx::__stoa(&std::wcstold, "stold", __str.c_str(), __idx); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:54:5: note: candidate: 'template<class _TRet, class _Ret, class _CharT, class ... _Base> _Ret __gnu_cxx::__stoa(_TRet (*)(const _CharT*, _CharT**, _Base ...), const char*, const _CharT*, int*, _Base ...)'
54 | __stoa(_TRet (*__convf) (const _CharT*, _CharT**, _Base...),
| ^~~~~~
/usr/include/c++/9/ext/string_conversions.h:54:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6647:69: note: cannot convert '__idx' (type 'size_t*' {aka 'long unsigned int*'}) to type 'int*'
6647 | { return __gnu_cxx::__stoa(&std::wcstold, "stold", __str.c_str(), __idx); }
| ^~~~~
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(int)':
/usr/include/c++/9/bits/basic_string.h:6654:22: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), long unsigned int, const wchar_t [3], int&)'
6654 | L"%d", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6654:22: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6654 | L"%d", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(unsigned int)':
/usr/include/c++/9/bits/basic_string.h:6660:22: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), long unsigned int, const wchar_t [3], unsigned int&)'
6660 | L"%u", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6660:22: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6660 | L"%u", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(long int)':
/usr/include/c++/9/bits/basic_string.h:6665:23: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), long unsigned int, const wchar_t [4], long int&)'
6665 | L"%ld", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6665:23: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6665 | L"%ld", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(long unsigned int)':
/usr/include/c++/9/bits/basic_string.h:6671:23: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), long unsigned int, const wchar_t [4], long unsigned int&)'
6671 | L"%lu", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6671:23: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6671 | L"%lu", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(long long int)':
/usr/include/c++/9/bits/basic_string.h:6677:24: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), long unsigned int, const wchar_t [5], long long int&)'
6677 | L"%lld", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6677:24: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6677 | L"%lld", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(long long unsigned int)':
/usr/include/c++/9/bits/basic_string.h:6683:24: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), long unsigned int, const wchar_t [5], long long unsigned int&)'
6683 | L"%llu", __val); }
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6683:24: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6683 | L"%llu", __val); }
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(float)':
/usr/include/c++/9/bits/basic_string.h:6691:22: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), const int&, const wchar_t [3], float&)'
6691 | L"%f", __val);
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6691:22: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6691 | L"%f", __val);
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(double)':
/usr/include/c++/9/bits/basic_string.h:6700:22: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), const int&, const wchar_t [3], double&)'
6700 | L"%f", __val);
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6700:22: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6700 | L"%f", __val);
| ^
/usr/include/c++/9/bits/basic_string.h: In function 'std::wstring std::__cxx11::to_wstring(long double)':
/usr/include/c++/9/bits/basic_string.h:6709:23: error: no matching function for call to '__to_xstring<std::wstring>(int (*)(wchar_t*, size_t, const wchar_t*, __va_list_tag*) throw (), const int&, const wchar_t [4], long double&)'
6709 | L"%Lf", __val);
| ^
In file included from /usr/include/c++/9/bits/basic_string.h:6496,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/string_conversions.h:99:5: note: candidate: 'template<class _String, class _CharT> _String __gnu_cxx::__to_xstring(int (*)(_CharT*, int, const _CharT*, __va_list_tag*), int, const _CharT*, ...)'
99 | __to_xstring(int (*__convf) (_CharT*, std::size_t, const _CharT*,
| ^~~~~~~~~~~~
/usr/include/c++/9/ext/string_conversions.h:99:5: note: template argument deduction/substitution failed:
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h:6709:23: note: mismatched types 'int' and 'size_t' {aka 'long unsigned int'}
6709 | L"%Lf", __val);
| ^
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h: In member function 'size_t std::hash<std::__cxx11::basic_string<char> >::operator()(const string&) const':
/usr/include/c++/9/bits/basic_string.h:6738:54: error: 'const string' {aka 'const class std::__cxx11::basic_string<char>'} has no member named 'length'
6738 | { return std::_Hash_impl::hash(__s.data(), __s.length()); }
| ^~~~~~
/usr/include/c++/9/bits/basic_string.h: In member function 'size_t std::hash<std::__cxx11::basic_string<wchar_t> >::operator()(const wstring&) const':
/usr/include/c++/9/bits/basic_string.h:6754:42: error: 'const wstring' {aka 'const class std::__cxx11::basic_string<wchar_t>'} has no member named 'length'
6754 | __s.length() * sizeof(wchar_t)); }
| ^~~~~~
In file included from /usr/include/c++/9/bits/basic_string.h:40,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/alloc_traits.h: In instantiation of 'struct __gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>':
/usr/include/c++/9/bits/basic_string.h:84:24: required from 'class std::__cxx11::basic_string<char16_t>'
/usr/include/c++/9/bits/basic_string.h:6787:41: required from here
/usr/include/c++/9/ext/alloc_traits.h:61:53: error: no type named 'size_type' in 'struct std::allocator_traits<std::allocator<char16_t> >'
61 | typedef typename _Base_type::size_type size_type;
| ^~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:62:53: error: no type named 'difference_type' in 'struct std::allocator_traits<std::allocator<char16_t> >'
62 | typedef typename _Base_type::difference_type difference_type;
| ^~~~~~~~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:70:23: error: no members matching '__gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>::_Base_type {aka std::allocator_traits<std::allocator<char16_t> >}::max_size' in '__gnu_cxx::__alloc_traits<std::allocator<char16_t>, char16_t>::_Base_type' {aka 'struct std::allocator_traits<std::allocator<char16_t> >'}
70 | using _Base_type::max_size;
| ^~~~~~~~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h: In member function 'size_t std::hash<std::__cxx11::basic_string<char16_t> >::operator()(const u16string&) const':
/usr/include/c++/9/bits/basic_string.h:6788:42: error: 'const u16string' {aka 'const class std::__cxx11::basic_string<char16_t>'} has no member named 'length'
6788 | __s.length() * sizeof(char16_t)); }
| ^~~~~~
In file included from /usr/include/c++/9/bits/basic_string.h:40,
from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ext/alloc_traits.h: In instantiation of 'struct __gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>':
/usr/include/c++/9/bits/basic_string.h:84:24: required from 'class std::__cxx11::basic_string<char32_t>'
/usr/include/c++/9/bits/basic_string.h:6802:41: required from here
/usr/include/c++/9/ext/alloc_traits.h:61:53: error: no type named 'size_type' in 'struct std::allocator_traits<std::allocator<char32_t> >'
61 | typedef typename _Base_type::size_type size_type;
| ^~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:62:53: error: no type named 'difference_type' in 'struct std::allocator_traits<std::allocator<char32_t> >'
62 | typedef typename _Base_type::difference_type difference_type;
| ^~~~~~~~~~~~~~~
/usr/include/c++/9/ext/alloc_traits.h:70:23: error: no members matching '__gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>::_Base_type {aka std::allocator_traits<std::allocator<char32_t> >}::max_size' in '__gnu_cxx::__alloc_traits<std::allocator<char32_t>, char32_t>::_Base_type' {aka 'struct std::allocator_traits<std::allocator<char32_t> >'}
70 | using _Base_type::max_size;
| ^~~~~~~~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h: In member function 'size_t std::hash<std::__cxx11::basic_string<char32_t> >::operator()(const u32string&) const':
/usr/include/c++/9/bits/basic_string.h:6803:42: error: 'const u32string' {aka 'const class std::__cxx11::basic_string<char32_t>'} has no member named 'length'
6803 | __s.length() * sizeof(char32_t)); }
| ^~~~~~
In file included from /usr/include/c++/9/string:56,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.tcc: In function 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&)':
/usr/include/c++/9/bits/basic_string.tcc:1488:14: error: 'streamsize' does not name a type
1488 | const streamsize __w = __in.width();
| ^~~~~~~~~~
/usr/include/c++/9/bits/basic_string.tcc:1489:32: error: '__w' was not declared in this scope; did you mean '__n'?
1489 | const __size_type __n = __w > 0 ? static_cast<__size_type>(__w)
| ^~~
| __n
In file included from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/ios_base.h: At global scope:
/usr/include/c++/9/bits/ios_base.h:527:5: error: 'streamsize' does not name a type
527 | streamsize _M_precision;
| ^~~~~~~~~~
/usr/include/c++/9/bits/ios_base.h:528:5: error: 'streamsize' does not name a type
528 | streamsize _M_width;
| ^~~~~~~~~~
/usr/include/c++/9/bits/ios_base.h:700:5: error: 'streamsize' does not name a type
700 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/ios_base.h:709:5: error: 'streamsize' does not name a type
709 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/ios_base.h:723:5: error: 'streamsize' does not name a type
723 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/ios_base.h:732:5: error: 'streamsize' does not name a type
732 | streamsize
| ^~~~~~~~~~
In file included from /usr/include/c++/9/ios:43,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/streambuf:52:5: error: 'streamsize' does not name a type
52 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:149:14: error: 'streamsize' does not name a type
149 | friend streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:246:33: error: 'streamsize' has not been declared
246 | pubsetbuf(char_type* __s, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:290:7: error: 'streamsize' does not name a type
290 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:363:7: error: 'streamsize' does not name a type
363 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:456:7: error: 'streamsize' does not name a type
456 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:598:26: error: 'streamsize' has not been declared
598 | setbuf(char_type*, streamsize)
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:655:15: error: 'streamsize' does not name a type
655 | virtual streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:671:15: error: 'streamsize' does not name a type
671 | virtual streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:748:15: error: 'streamsize' does not name a type
748 | virtual streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:802:20: error: 'streamsize' has not been declared
802 | __safe_gbump(streamsize __n) { _M_in_cur += __n; }
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:805:20: error: 'streamsize' has not been declared
805 | __safe_pbump(streamsize __n) { _M_out_cur += __n; }
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:845:5: error: 'streamsize' does not name a type
845 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/streambuf:850:5: error: 'streamsize' does not name a type
850 | streamsize
| ^~~~~~~~~~
In file included from /usr/include/c++/9/streambuf:860,
from /usr/include/c++/9/ios:43,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/streambuf.tcc:44:5: error: 'streamsize' does not name a type
44 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:78:5: error: 'streamsize' does not name a type
78 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:115:5: error: 'streamsize' does not name a type
115 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:138:12: error: 'streamsize' does not name a type
138 | inline streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:151:5: error: 'streamsize' is not a template function
151 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:151:15: error: expected ';' before '__copy_streambufs'
151 | streamsize
| ^
| ;
152 | __copy_streambufs(basic_streambuf<char>*,
| ~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:155:5: error: 'streamsize' is not a template function
155 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:155:15: error: expected ';' before '__copy_streambufs_eof'
155 | streamsize
| ^
| ;
156 | __copy_streambufs_eof(basic_streambuf<char>*,
| ~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:162:5: error: 'streamsize' is not a template function
162 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:162:15: error: expected ';' before '__copy_streambufs'
162 | streamsize
| ^
| ;
163 | __copy_streambufs(basic_streambuf<wchar_t>*,
| ~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:166:5: error: 'streamsize' is not a template function
166 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf.tcc:166:15: error: expected ';' before '__copy_streambufs_eof'
166 | streamsize
| ^
| ;
167 | __copy_streambufs_eof(basic_streambuf<wchar_t>*,
| ~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/9/bits/locale_facets.h:48,
from /usr/include/c++/9/bits/basic_ios.h:37,
from /usr/include/c++/9/ios:44,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/streambuf_iterator.h:283:34: error: 'streamsize' has not been declared
283 | _M_put(const _CharT* __ws, streamsize __len)
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf_iterator.h: In function 'typename __gnu_cxx::__enable_if<std::__is_char<_CharT>::__value, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::__copy_move_a2(_CharT*, _CharT*, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> >)':
/usr/include/c++/9/bits/streambuf_iterator.h:317:13: error: 'streamsize' does not name a type
317 | const streamsize __num = __last - __first;
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf_iterator.h:318:11: error: '__num' was not declared in this scope
318 | if (__num > 0)
| ^~~~~
/usr/include/c++/9/bits/streambuf_iterator.h: In function 'typename __gnu_cxx::__enable_if<std::__is_char<_CharT>::__value, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> > >::__type std::__copy_move_a2(const _CharT*, const _CharT*, std::ostreambuf_iterator<_CharT, std::char_traits<_CharT> >)':
/usr/include/c++/9/bits/streambuf_iterator.h:329:13: error: 'streamsize' does not name a type
329 | const streamsize __num = __last - __first;
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf_iterator.h:330:11: error: '__num' was not declared in this scope
330 | if (__num > 0)
| ^~~~~
/usr/include/c++/9/bits/streambuf_iterator.h: In function 'typename __gnu_cxx::__enable_if<std::__is_char<_CharT>::__value, _CharT*>::__type std::__copy_move_a2(std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, std::istreambuf_iterator<_CharT, std::char_traits<_CharT> >, _CharT*)':
/usr/include/c++/9/bits/streambuf_iterator.h:352:14: error: 'streamsize' does not name a type
352 | const streamsize __n = __sb->egptr() - __sb->gptr();
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf_iterator.h:353:12: error: '__n' was not declared in this scope; did you mean '__c'?
353 | if (__n > 1)
| ^~~
| __c
/usr/include/c++/9/bits/streambuf_iterator.h: In function 'typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, std::istreambuf_iterator<_CharT> >::__type std::find(std::istreambuf_iterator<_CharT>, std::istreambuf_iterator<_CharT>, const _CharT2&)':
/usr/include/c++/9/bits/streambuf_iterator.h:390:8: error: 'streamsize' was not declared in this scope
390 | streamsize __n = __sb->egptr() - __sb->gptr();
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf_iterator.h:391:12: error: '__n' was not declared in this scope; did you mean '__c'?
391 | if (__n > 1)
| ^~~
| __c
/usr/include/c++/9/bits/streambuf_iterator.h: In function 'typename __gnu_cxx::__enable_if<std::__is_char<_CharT2>::__value, void>::__type std::advance(std::istreambuf_iterator<_CharT>&, _Distance)':
/usr/include/c++/9/bits/streambuf_iterator.h:432:4: error: 'streamsize' was not declared in this scope
432 | streamsize __size = __sb->egptr() - __sb->gptr();
| ^~~~~~~~~~
/usr/include/c++/9/bits/streambuf_iterator.h:433:8: error: '__size' was not declared in this scope; did you mean 'dysize'?
433 | if (__size > __n)
| ^~~~~~
| dysize
/usr/include/c++/9/bits/streambuf_iterator.h:439:23: error: '__size' was not declared in this scope; did you mean 'dysize'?
439 | __sb->__safe_gbump(__size);
| ^~~~~~
| dysize
In file included from /usr/include/c++/9/bits/basic_ios.h:37,
from /usr/include/c++/9/ios:44,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/locale_facets.h: At global scope:
/usr/include/c++/9/bits/locale_facets.h:99:29: error: 'streamsize' has not been declared
99 | const _CharT* __olds, streamsize __newlen, streamsize __oldlen);
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.h:99:50: error: 'streamsize' has not been declared
99 | const _CharT* __olds, streamsize __newlen, streamsize __oldlen);
| ^~~~~~~~~~
In file included from /usr/include/c++/9/bits/basic_ios.h:37,
from /usr/include/c++/9/ios:44,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/locale_facets.h:2488:32: error: 'streamsize' has not been declared
2488 | _M_pad(char_type __fill, streamsize __w, ios_base& __io,
| ^~~~~~~~~~
In file included from /usr/include/c++/9/bits/locale_facets.h:2655,
from /usr/include/c++/9/bits/basic_ios.h:37,
from /usr/include/c++/9/ios:44,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/locale_facets.tcc: In member function 'void std::__numpunct_cache<_CharT>::_M_cache(const std::locale&)':
/usr/include/c++/9/bits/locale_facets.tcc:88:27: error: 'const string' {aka 'const class std::__cxx11::basic_string<char>'} has no member named 'size'
88 | _M_grouping_size = __g.size();
| ^~~~
/usr/include/c++/9/bits/locale_facets.tcc:90:8: error: 'const string' {aka 'const class std::__cxx11::basic_string<char>'} has no member named 'copy'
90 | __g.copy(__grouping, _M_grouping_size);
| ^~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function '_InIter std::num_get<_CharT, _InIter>::_M_extract_float(_InIter, _InIter, std::ios_base&, std::ios_base::iostate&, std::string&) const':
/usr/include/c++/9/bits/locale_facets.tcc:211:19: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'reserve'
211 | __found_grouping.reserve(32);
| ^~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:296:28: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'size'
296 | if (__found_grouping.size())
| ^~~~
/usr/include/c++/9/bits/locale_facets.tcc:319:28: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'size'
319 | if (__found_grouping.size() && !__found_dec)
| ^~~~
/usr/include/c++/9/bits/locale_facets.tcc:355:28: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'size'
355 | if (__found_grouping.size())
| ^~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function '_InIter std::num_get<_CharT, _InIter>::_M_extract_int(_InIter, _InIter, std::ios_base&, std::ios_base::iostate&, _ValueT&) const':
/usr/include/c++/9/bits/locale_facets.tcc:469:21: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'reserve'
469 | __found_grouping.reserve(32);
| ^~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:555:23: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'size'
555 | if (__found_grouping.size())
| ^~~~
/usr/include/c++/9/bits/locale_facets.tcc:568:56: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'size'
568 | if ((!__sep_pos && !__found_zero && !__found_grouping.size())
| ^~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function 'virtual _InIter std::num_get<_CharT, _InIter>::do_get(std::num_get<_CharT, _InIter>::iter_type, std::num_get<_CharT, _InIter>::iter_type, std::ios_base&, std::ios_base::iostate&, float&) const':
/usr/include/c++/9/bits/locale_facets.tcc:695:14: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'reserve'
695 | __xtrc.reserve(32);
| ^~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function 'virtual _InIter std::num_get<_CharT, _InIter>::do_get(std::num_get<_CharT, _InIter>::iter_type, std::num_get<_CharT, _InIter>::iter_type, std::ios_base&, std::ios_base::iostate&, double&) const':
/usr/include/c++/9/bits/locale_facets.tcc:710:14: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'reserve'
710 | __xtrc.reserve(32);
| ^~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function 'virtual _InIter std::num_get<_CharT, _InIter>::do_get(std::num_get<_CharT, _InIter>::iter_type, std::num_get<_CharT, _InIter>::iter_type, std::ios_base&, std::ios_base::iostate&, long double&) const':
/usr/include/c++/9/bits/locale_facets.tcc:742:14: error: 'std::string' {aka 'class std::__cxx11::basic_string<char>'} has no member named 'reserve'
742 | __xtrc.reserve(32);
| ^~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc: At global scope:
/usr/include/c++/9/bits/locale_facets.tcc:780:27: error: 'streamsize' has not been declared
780 | _M_pad(_CharT __fill, streamsize __w, ios_base& __io,
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function '_OutIter std::num_put<_CharT, _OutIter>::_M_insert_int(_OutIter, std::ios_base&, _CharT, _ValueT) const':
/usr/include/c++/9/bits/locale_facets.tcc:921:8: error: 'streamsize' does not name a type
921 | const streamsize __w = __io.width();
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:922:6: error: '__w' was not declared in this scope; did you mean '__u'?
922 | if (__w > static_cast<streamsize>(__len))
| ^~~
| __u
/usr/include/c++/9/bits/locale_facets.tcc:922:24: error: 'streamsize' does not name a type
922 | if (__w > static_cast<streamsize>(__len))
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:929:7: error: 'class std::ios_base' has no member named 'width'
929 | __io.width(0);
| ^~~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function '_OutIter std::num_put<_CharT, _OutIter>::_M_insert_float(_OutIter, std::ios_base&, _CharT, char, _ValueT) const':
/usr/include/c++/9/bits/locale_facets.tcc:984:8: error: 'streamsize' does not name a type
984 | const streamsize __prec = __io.precision() < 0 ? 6 : __io.precision();
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1006:14: error: '__prec' was not declared in this scope
1006 | __fbuf, __prec, __v);
| ^~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1018:18: error: '__prec' was not declared in this scope
1018 | __fbuf, __prec, __v);
| ^~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1071:6: error: 'streamsize' was not declared in this scope
1071 | streamsize __off = 0;
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1074:3: error: '__off' was not declared in this scope
1074 | __off = 1;
| ^~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1080:45: error: '__off' was not declared in this scope
1080 | __lc->_M_thousands_sep, __wp, __ws2 + __off,
| ^~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1088:8: error: 'streamsize' does not name a type
1088 | const streamsize __w = __io.width();
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1089:6: error: '__w' was not declared in this scope; did you mean '__p'?
1089 | if (__w > static_cast<streamsize>(__len))
| ^~~
| __p
/usr/include/c++/9/bits/locale_facets.tcc:1089:24: error: 'streamsize' does not name a type
1089 | if (__w > static_cast<streamsize>(__len))
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1096:7: error: 'class std::ios_base' has no member named 'width'
1096 | __io.width(0);
| ^~~~~
/usr/include/c++/9/bits/locale_facets.tcc: In member function 'virtual _OutIter std::num_put<_CharT, _OutIter>::do_put(std::num_put<_CharT, _OutIter>::iter_type, std::ios_base&, std::num_put<_CharT, _OutIter>::char_type, bool) const':
/usr/include/c++/9/bits/locale_facets.tcc:1126:10: error: 'streamsize' does not name a type
1126 | const streamsize __w = __io.width();
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1127:8: error: '__w' was not declared in this scope; did you mean '__s'?
1127 | if (__w > static_cast<streamsize>(__len))
| ^~~
| __s
/usr/include/c++/9/bits/locale_facets.tcc:1127:26: error: 'streamsize' does not name a type
1127 | if (__w > static_cast<streamsize>(__len))
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1129:14: error: 'streamsize' does not name a type
1129 | const streamsize __plen = __w - __len;
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1132:10: error: '__plen' was not declared in this scope; did you mean '__len'?
1132 | * __plen));
| ^~~~~~
| __len
/usr/include/c++/9/bits/locale_facets.tcc:1135:13: error: 'class std::ios_base' has no member named 'width'
1135 | __io.width(0);
| ^~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1149:9: error: 'class std::ios_base' has no member named 'width'
1149 | __io.width(0);
| ^~~~~
/usr/include/c++/9/bits/locale_facets.tcc: At global scope:
/usr/include/c++/9/bits/locale_facets.tcc:1210:8: error: 'streamsize' has not been declared
1210 | streamsize __newlen, streamsize __oldlen)
| ^~~~~~~~~~
/usr/include/c++/9/bits/locale_facets.tcc:1210:29: error: 'streamsize' has not been declared
1210 | streamsize __newlen, streamsize __oldlen)
| ^~~~~~~~~~
In file included from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/ostream:317:38: error: 'streamsize' has not been declared
317 | _M_write(const char_type* __s, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/ostream:341:35: error: 'streamsize' has not been declared
341 | write(const char_type* __s, streamsize __n);
| ^~~~~~~~~~
/usr/include/c++/9/ostream: In member function 'void std::basic_ostream<_CharT, _Traits>::_M_write(const char_type*, int)':
/usr/include/c++/9/ostream:319:8: error: 'streamsize' does not name a type
319 | const streamsize __put = this->rdbuf()->sputn(__s, __n);
| ^~~~~~~~~~
/usr/include/c++/9/ostream:320:6: error: '__put' was not declared in this scope; did you mean 'put'?
320 | if (__put != __n)
| ^~~~~
| put
/usr/include/c++/9/ostream: In function 'std::basic_ostream<_CharT, _Traits>& std::operator<<(std::basic_ostream<_CharT, _Traits>&, const _CharT*)':
/usr/include/c++/9/ostream:554:17: error: 'streamsize' does not name a type
554 | static_cast<streamsize>(_Traits::length(__s)));
| ^~~~~~~~~~
/usr/include/c++/9/ostream: In function 'std::basic_ostream<char, _Traits>& std::operator<<(std::basic_ostream<char, _Traits>&, const char*)':
/usr/include/c++/9/ostream:571:17: error: 'streamsize' does not name a type
571 | static_cast<streamsize>(_Traits::length(__s)));
| ^~~~~~~~~~
In file included from /usr/include/c++/9/ostream:702,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/ostream.tcc: At global scope:
/usr/include/c++/9/bits/ostream.tcc:183:30: error: 'streamsize' has not been declared
183 | write(const _CharT* __s, streamsize __n)
| ^~~~~~~~~~
In file included from /usr/include/c++/9/iostream:40,
from foo.cc:15:
/usr/include/c++/9/istream:82:7: error: 'streamsize' does not name a type
82 | streamsize _M_gcount;
| ^~~~~~~~~~
/usr/include/c++/9/istream:268:7: error: 'streamsize' does not name a type
268 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/istream:343:27: error: 'streamsize' has not been declared
343 | get(char_type* __s, streamsize __n, char_type __delim);
| ^~~~~~~~~~
/usr/include/c++/9/istream:354:27: error: 'streamsize' has not been declared
354 | get(char_type* __s, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/istream:416:31: error: 'streamsize' has not been declared
416 | getline(char_type* __s, streamsize __n, char_type __delim);
| ^~~~~~~~~~
/usr/include/c++/9/istream:427:31: error: 'streamsize' has not been declared
427 | getline(char_type* __s, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/istream:451:7: error: expected ';' at end of member declaration
451 | ignore(streamsize __n, int_type __delim);
| ^~~~~~
| ;
/usr/include/c++/9/istream:451:24: error: expected ')' before '__n'
451 | ignore(streamsize __n, int_type __delim);
| ~ ^~~~
| )
/usr/include/c++/9/istream:454:7: error: expected ';' at end of member declaration
454 | ignore(streamsize __n);
| ^~~~~~
| ;
/usr/include/c++/9/istream:454:14: error: redeclaration of 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::ignore'
454 | ignore(streamsize __n);
| ^~~~~~~~~~
/usr/include/c++/9/istream:451:7: note: previous declaration 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::ignore'
451 | ignore(streamsize __n, int_type __delim);
| ^~~~~~
/usr/include/c++/9/istream:454:24: error: expected ')' before '__n'
454 | ignore(streamsize __n);
| ~ ^~~~
| )
/usr/include/c++/9/istream:457:14: error: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::ignore()' conflicts with a previous declaration
457 | ignore();
| ^
/usr/include/c++/9/istream:451:7: note: previous declaration 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::ignore'
451 | ignore(streamsize __n, int_type __delim);
| ^~~~~~
/usr/include/c++/9/istream:486:28: error: 'streamsize' has not been declared
486 | read(char_type* __s, streamsize __n);
| ^~~~~~~~~~
/usr/include/c++/9/istream:504:7: error: 'streamsize' does not name a type
504 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/istream: In constructor 'std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>::__streambuf_type*)':
/usr/include/c++/9/istream:94:9: error: class 'std::basic_istream<_CharT, _Traits>' does not have any field named '_M_gcount'
94 | : _M_gcount(streamsize(0))
| ^~~~~~~~~
/usr/include/c++/9/istream:94:19: error: there are no arguments to 'streamsize' that depend on a template parameter, so a declaration of 'streamsize' must be available [-fpermissive]
94 | : _M_gcount(streamsize(0))
| ^~~~~~~~~~
/usr/include/c++/9/istream:94:19: note: (if you use '-fpermissive', G++ will accept your code, but allowing the use of an undeclared name is deprecated)
/usr/include/c++/9/istream: In destructor 'virtual std::basic_istream<_CharT, _Traits>::~basic_istream()':
/usr/include/c++/9/istream:104:9: error: '_M_gcount' was not declared in this scope
104 | { _M_gcount = streamsize(0); }
| ^~~~~~~~~
/usr/include/c++/9/istream:104:21: error: there are no arguments to 'streamsize' that depend on a template parameter, so a declaration of 'streamsize' must be available [-fpermissive]
104 | { _M_gcount = streamsize(0); }
| ^~~~~~~~~~
/usr/include/c++/9/istream: In constructor 'std::basic_istream<_CharT, _Traits>::basic_istream()':
/usr/include/c++/9/istream:607:9: error: class 'std::basic_istream<_CharT, _Traits>' does not have any field named '_M_gcount'
607 | : _M_gcount(streamsize(0))
| ^~~~~~~~~
/usr/include/c++/9/istream:607:19: error: there are no arguments to 'streamsize' that depend on a template parameter, so a declaration of 'streamsize' must be available [-fpermissive]
607 | : _M_gcount(streamsize(0))
| ^~~~~~~~~~
/usr/include/c++/9/istream: In constructor 'std::basic_istream<_CharT, _Traits>::basic_istream(std::basic_istream<_CharT, _Traits>&&)':
/usr/include/c++/9/istream:614:23: error: class 'std::basic_istream<_CharT, _Traits>' does not have any field named '_M_gcount'
614 | : __ios_type(), _M_gcount(__rhs._M_gcount)
| ^~~~~~~~~
/usr/include/c++/9/istream: In member function 'void std::basic_istream<_CharT, _Traits>::swap(std::basic_istream<_CharT, _Traits>&)':
/usr/include/c++/9/istream:635:12: error: '_M_gcount' was not declared in this scope
635 | std::swap(_M_gcount, __rhs._M_gcount);
| ^~~~~~~~~
/usr/include/c++/9/istream: At global scope:
/usr/include/c++/9/istream:648:29: error: 'streamsize' has not been declared
648 | getline(char_type* __s, streamsize __n, char_type __delim);
| ^~~~~~~~~~
/usr/include/c++/9/istream:652:5: error: 'std::basic_istream<char>& std::basic_istream<char>::ignore' is not a static data member of 'class std::basic_istream<char>'
652 | basic_istream<char>::
| ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/istream:653:12: error: 'streamsize' was not declared in this scope
653 | ignore(streamsize __n);
| ^~~~~~~~~~
/usr/include/c++/9/istream:657:5: error: 'std::basic_istream<char>& std::basic_istream<char>::ignore' is not a static data member of 'class std::basic_istream<char>'
657 | basic_istream<char>::
| ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/istream:658:12: error: 'streamsize' was not declared in this scope
658 | ignore(streamsize __n, int_type __delim);
| ^~~~~~~~~~
/usr/include/c++/9/istream:658:37: error: expected primary-expression before '__delim'
658 | ignore(streamsize __n, int_type __delim);
| ^~~~~~~
/usr/include/c++/9/istream:658:44: error: expression list treated as compound expression in initializer [-fpermissive]
658 | ignore(streamsize __n, int_type __delim);
| ^
/usr/include/c++/9/istream:664:29: error: 'streamsize' has not been declared
664 | getline(char_type* __s, streamsize __n, char_type __delim);
| ^~~~~~~~~~
/usr/include/c++/9/istream:668:5: error: 'std::basic_istream<wchar_t>& std::basic_istream<wchar_t>::ignore' is not a static data member of 'class std::basic_istream<wchar_t>'
668 | basic_istream<wchar_t>::
| ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/istream:669:12: error: 'streamsize' was not declared in this scope
669 | ignore(streamsize __n);
| ^~~~~~~~~~
/usr/include/c++/9/istream:673:5: error: 'std::basic_istream<wchar_t>& std::basic_istream<wchar_t>::ignore' is not a static data member of 'class std::basic_istream<wchar_t>'
673 | basic_istream<wchar_t>::
| ^~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/istream:674:12: error: 'streamsize' was not declared in this scope
674 | ignore(streamsize __n, int_type __delim);
| ^~~~~~~~~~
/usr/include/c++/9/istream:674:37: error: expected primary-expression before '__delim'
674 | ignore(streamsize __n, int_type __delim);
| ^~~~~~~
/usr/include/c++/9/istream:674:44: error: expression list treated as compound expression in initializer [-fpermissive]
674 | ignore(streamsize __n, int_type __delim);
| ^
In file included from /usr/include/c++/9/istream:991,
from /usr/include/c++/9/iostream:40,
from foo.cc:15:
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>::int_type std::basic_istream<_CharT, _Traits>::get()':
/usr/include/c++/9/bits/istream.tcc:248:7: error: '_M_gcount' was not declared in this scope
248 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::get(std::basic_istream<_CharT, _Traits>::char_type&)':
/usr/include/c++/9/bits/istream.tcc:282:7: error: '_M_gcount' was not declared in this scope
282 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: At global scope:
/usr/include/c++/9/bits/istream.tcc:317:25: error: 'streamsize' has not been declared
317 | get(char_type* __s, streamsize __n, char_type __delim)
| ^~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::get(std::basic_istream<_CharT, _Traits>::char_type*, int, std::basic_istream<_CharT, _Traits>::char_type)':
/usr/include/c++/9/bits/istream.tcc:319:7: error: '_M_gcount' was not declared in this scope
319 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::get(std::basic_istream<_CharT, _Traits>::__streambuf_type&, std::basic_istream<_CharT, _Traits>::char_type)':
/usr/include/c++/9/bits/istream.tcc:366:7: error: '_M_gcount' was not declared in this scope
366 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: At global scope:
/usr/include/c++/9/bits/istream.tcc:408:29: error: 'streamsize' has not been declared
408 | getline(char_type* __s, streamsize __n, char_type __delim)
| ^~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::getline(std::basic_istream<_CharT, _Traits>::char_type*, int, std::basic_istream<_CharT, _Traits>::char_type)':
/usr/include/c++/9/bits/istream.tcc:410:7: error: '_M_gcount' was not declared in this scope
410 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: At global scope:
/usr/include/c++/9/bits/istream.tcc:467:5: error: no declaration matches 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore()'
467 | basic_istream<_CharT, _Traits>::
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from /usr/include/c++/9/iostream:40,
from foo.cc:15:
/usr/include/c++/9/istream:451:7: note: candidate is: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::ignore'
451 | ignore(streamsize __n, int_type __delim);
| ^~~~~~
/usr/include/c++/9/istream:58:11: note: 'class std::basic_istream<_CharT, _Traits>' defined here
58 | class basic_istream : virtual public basic_ios<_CharT, _Traits>
| ^~~~~~~~~~~~~
In file included from /usr/include/c++/9/istream:991,
from /usr/include/c++/9/iostream:40,
from foo.cc:15:
/usr/include/c++/9/bits/istream.tcc:500:5: error: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore' is not a static data member of 'class std::basic_istream<_CharT, _Traits>'
500 | basic_istream<_CharT, _Traits>::
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc:501:12: error: template definition of non-template 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore'
501 | ignore(streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc:501:12: error: 'streamsize' was not declared in this scope
/usr/include/c++/9/bits/istream.tcc:562:5: error: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore' is not a static data member of 'class std::basic_istream<_CharT, _Traits>'
562 | basic_istream<_CharT, _Traits>::
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc:563:12: error: template definition of non-template 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::ignore'
563 | ignore(streamsize __n, int_type __delim)
| ^~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc:563:12: error: 'streamsize' was not declared in this scope
/usr/include/c++/9/bits/istream.tcc:563:37: error: expected primary-expression before '__delim'
563 | ignore(streamsize __n, int_type __delim)
| ^~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>::int_type std::basic_istream<_CharT, _Traits>::peek()':
/usr/include/c++/9/bits/istream.tcc:631:7: error: '_M_gcount' was not declared in this scope
631 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: At global scope:
/usr/include/c++/9/bits/istream.tcc:658:26: error: 'streamsize' has not been declared
658 | read(char_type* __s, streamsize __n)
| ^~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::read(std::basic_istream<_CharT, _Traits>::char_type*, int)':
/usr/include/c++/9/bits/istream.tcc:660:7: error: '_M_gcount' was not declared in this scope
660 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: At global scope:
/usr/include/c++/9/bits/istream.tcc:685:5: error: 'streamsize' does not name a type
685 | streamsize
| ^~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::putback(std::basic_istream<_CharT, _Traits>::char_type)':
/usr/include/c++/9/bits/istream.tcc:723:7: error: '_M_gcount' was not declared in this scope
723 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In member function 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::unget()':
/usr/include/c++/9/bits/istream.tcc:758:7: error: '_M_gcount' was not declared in this scope
758 | _M_gcount = 0;
| ^~~~~~~~~
/usr/include/c++/9/bits/istream.tcc: In function 'std::basic_istream<_CharT, _Traits>& std::operator>>(std::basic_istream<_CharT, _Traits>&, _CharT2*)':
/usr/include/c++/9/bits/istream.tcc:971:7: error: 'streamsize' was not declared in this scope
971 | streamsize __extracted = 0;
| ^~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc:979:18: error: expected ';' before '__num'
979 | streamsize __num = __in.width();
| ^~~~~~
| ;
/usr/include/c++/9/bits/istream.tcc:980:12: error: '__num' was not declared in this scope
980 | if (__num <= 0)
| ^~~~~
/usr/include/c++/9/bits/istream.tcc:989:15: error: '__extracted' was not declared in this scope
989 | while (__extracted < __num - 1
| ^~~~~~~~~~~
/usr/include/c++/9/bits/istream.tcc:989:29: error: '__num' was not declared in this scope
989 | while (__extracted < __num - 1
| ^~~~~
/usr/include/c++/9/bits/istream.tcc:1014:12: error: '__extracted' was not declared in this scope
1014 | if (!__extracted)
| ^~~~~~~~~~~
In file included from /usr/include/c++/9/string:55,
from /usr/include/c++/9/bits/locale_classes.h:40,
from /usr/include/c++/9/bits/ios_base.h:41,
from /usr/include/c++/9/ios:42,
from /usr/include/c++/9/ostream:38,
from /usr/include/c++/9/iostream:39,
from foo.cc:15:
/usr/include/c++/9/bits/basic_string.h: In instantiation of 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::basic_string(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]':
/usr/include/c++/9/system_error:189:40: required from here
/usr/include/c++/9/bits/basic_string.h:567:24: error: 'class std::__cxx11::basic_string<char>' has no member named '_M_allocated_capacity'; did you mean '_S_local_capacity'?
567 | _M_capacity(__str._M_allocated_capacity);
| ~~~~~~^~~~~~~~~~~~~~~~~~~~~
| _S_local_capacity
/usr/include/c++/9/bits/basic_string.h: In instantiation of 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]':
/usr/include/c++/9/system_error:351:50: required from here
/usr/include/c++/9/bits/basic_string.h:6103:33: error: 'class std::__cxx11::basic_string<char>' has no member named 'size'
6103 | const auto __size = __lhs.size() + __rhs.size();
| ~~~~~~^~~~
/usr/include/c++/9/bits/basic_string.h:6103:48: error: 'class std::__cxx11::basic_string<char>' has no member named 'size'
6103 | const auto __size = __lhs.size() + __rhs.size();
| ~~~~~~^~~~
/usr/include/c++/9/bits/basic_string.h:6104:43: error: 'class std::__cxx11::basic_string<char>' has no member named 'capacity'
6104 | const bool __cond = (__size > __lhs.capacity()
| ~~~~~~^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6105:26: error: 'class std::__cxx11::basic_string<char>' has no member named 'capacity'
6105 | && __size <= __rhs.capacity());
| ~~~~~~^~~~~~~~
/usr/include/c++/9/bits/basic_string.h:6106:32: error: no matching function for call to 'std::__cxx11::basic_string<char>::insert(int, std::__cxx11::basic_string<char>&)'
6106 | return __cond ? std::move(__rhs.insert(0, __lhs))
| ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/basic_string.h:1582:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
1582 | insert(const_iterator __p, _InputIterator __beg, _InputIterator __end)
| ^~~~~~
/usr/include/c++/9/bits/basic_string.h:1582:9: note: template argument deduction/substitution failed:
/usr/include/c++/9/bits/basic_string.h:6106:32: note: candidate expects 3 arguments, 2 provided
6106 | return __cond ? std::move(__rhs.insert(0, __lhs))
| ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/basic_string.h:1616:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::pointer = char*; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::const_pointer = const char*]'
1616 | insert(const_iterator __p, initializer_list<_CharT> __l)
| ^~~~~~
/usr/include/c++/9/bits/basic_string.h:1616:29: note: no known conversion for argument 1 from 'int' to 'std::__cxx11::basic_string<char>::const_iterator' {aka '__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >'}
1616 | insert(const_iterator __p, initializer_list<_CharT> __l)
| ~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/basic_string.h:1750:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator, _CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::pointer = char*; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::const_pointer = const char*]'
1750 | insert(__const_iterator __p, _CharT __c)
| ^~~~~~
/usr/include/c++/9/bits/basic_string.h:1750:31: note: no known conversion for argument 1 from 'int' to 'std::__cxx11::basic_string<char>::__const_iterator' {aka '__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >'}
1750 | insert(__const_iterator __p, _CharT __c)
| ~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/basic_string.h: In instantiation of 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc> std::operator+(const _CharT*, std::__cxx11::basic_string<_CharT, _Traits, _Alloc>&&) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]':
/usr/include/c++/9/system_error:354:51: required from here
/usr/include/c++/9/bits/basic_string.h:6114:23: error: no matching function for call to 'std::__cxx11::basic_string<char>::insert(int, const char*&)'
6114 | { return std::move(__rhs.insert(0, __lhs)); }
| ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/basic_string.h:1582:9: note: candidate: 'template<class _InputIterator, class> std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, _InputIterator, _InputIterator) [with _InputIterator = _InputIterator; <template-parameter-2-2> = <template-parameter-1-2>; _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
1582 | insert(const_iterator __p, _InputIterator __beg, _InputIterator __end)
| ^~~~~~
/usr/include/c++/9/bits/basic_string.h:1582:9: note: template argument deduction/substitution failed:
/usr/include/c++/9/bits/basic_string.h:6114:23: note: candidate expects 3 arguments, 2 provided
6114 | { return std::move(__rhs.insert(0, __lhs)); }
| ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/9/bits/basic_string.h:1616:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator, std::initializer_list<_Tp>) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::pointer = char*; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::const_iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::const_pointer = const char*]'
1616 | insert(const_iterator __p, initializer_list<_CharT> __l)
| ^~~~~~
/usr/include/c++/9/bits/basic_string.h:1616:29: note: no known conversion for argument 1 from 'int' to 'std::__cxx11::basic_string<char>::const_iterator' {aka '__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >'}
1616 | insert(const_iterator __p, initializer_list<_CharT> __l)
| ~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/basic_string.h:1750:7: note: candidate: 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::insert(std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator, _CharT) [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::iterator = __gnu_cxx::__normal_iterator<char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::pointer = char*; std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::__const_iterator = __gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >; typename __gnu_cxx::__alloc_traits<typename __gnu_cxx::__alloc_traits<_Alloc>::rebind<_CharT>::other>::const_pointer = const char*]'
1750 | insert(__const_iterator __p, _CharT __c)
| ^~~~~~
/usr/include/c++/9/bits/basic_string.h:1750:31: note: no known conversion for argument 1 from 'int' to 'std::__cxx11::basic_string<char>::__const_iterator' {aka '__gnu_cxx::__normal_iterator<const char*, std::__cxx11::basic_string<char> >'}
1750 | insert(__const_iterator __p, _CharT __c)
| ~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/9/bits/basic_string.h: In instantiation of 'void std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::_M_dispose() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]':
/usr/include/c++/9/bits/basic_string.h:662:9: required from 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::~basic_string() [with _CharT = char; _Traits = std::char_traits<char>; _Alloc = std::allocator<char>]'
/usr/include/c++/9/system_error:189:40: required from here
/usr/include/c++/9/bits/basic_string.h:236:15: error: using invalid field 'std::__cxx11::basic_string<_CharT, _Traits, _Alloc>::<unnamed union>::_M_allocated_capacity'
236 | _M_destroy(_M_allocated_capacity);
| ^~~~~~~~~~~~~~~~~~~~~
foo.cc: In function 'int dfs(int, int, int)':
foo.cc:28:4: warning: control reaches end of non-void function [-Wreturn-type]
28 | dfs(x+1,used+1,now^a[x]);
| ~~~^~~~~~~~~~~~~~~~~~~~~
