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  1. #include <utility>
  2. #include <type_traits>
  3.  
  4. struct B;
  5.  
  6. struct A {
  7.     void operator *(const B &) {}
  8. };
  9. struct B {
  10.     void operator *(int x) const {}
  11. };
  12.  
  13. inline void operator *(int a, const B & b) {
  14.     return b * a;
  15. }
  16.  
  17. template <typename T, typename C = std::remove_reference<decltype(std::declval<T>)>::type> T & f(C c = C()) {
  18.     return c;
  19. }
  20.  
  21. int main() {
  22.  
  23.     f<A>();
  24.  
  25. }
Compilation error #stdin compilation error #stdout 0s 2880KB
comments ()
stdin
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Standard input is empty
compilation info 
prog.cpp:17:36: error: expected type-specifier
prog.cpp:17:36: error: expected '>'
prog.cpp: In function 'int main()':
prog.cpp:23:10: error: no matching function for call to 'f()'
stdout
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Standard output is empty
https://ideone.com/Zluu3d
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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