foo.cc: In function ‘void read(_T&)’:
foo.cc:11:1: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
   11 | if(_t=='-')_flag=1,_t=getchar();_x=_t-'0';
      | ^~
foo.cc:11:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
   11 | if(_t=='-')_flag=1,_t=getchar();_x=_t-'0';
      |                                 ^~