foo.cc: In function 'int main()':
foo.cc:37:15: warning: unused variable 'temp' [-Wunused-variable]
   37 |   static type temp = 0;
      |               ^~~~
foo.cc: In function 'int count(unsigned int)':
foo.cc:89:6: warning: unused variable 'res' [-Wunused-variable]
   89 |  int res = 0, temp = 0;
      |      ^~~
foo.cc: At global scope:
foo.cc:37:15: warning: 'temp' defined but not used [-Wunused-variable]
   37 |   static type temp = 0;
      |               ^~~~

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