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  1. #include <functional>
  2. using namespace std;
  3.  
  4. struct less {
  5.     int value;
  6. };
  7.  
  8. int main() {
  9.     less a;
  10. }
Compilation error #stdin compilation error #stdout 0s 2848KB
comments ()
stdin 
Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:9:5: error: reference to ‘less’ is ambiguous
prog.cpp:4:8: error: candidates are: struct less
In file included from /usr/include/c++/4.7/functional:50:0,
                 from prog.cpp:1:
/usr/include/c++/4.7/bits/stl_function.h:233:12: error:                 template<class _Tp> struct std::less
prog.cpp:9:10: error: expected ‘;’ before ‘a’
stdout 
Standard output is empty
https://ideone.com/Xpgadi
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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