/in/foo.cc: In function 'void read(_T&)':
/in/foo.cc:30:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(_t=='-') _flag=true,_t=getchar(); _x=_t-'0';
  ^~
/in/foo.cc:30:39: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if'
  if(_t=='-') _flag=true,_t=getchar(); _x=_t-'0';
                                       ^~