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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template <class T>
  5. auto func(T) -> void
  6. {
  7.     cout << "::f" << endl;
  8. }
  9.  
  10. namespace my_ns {
  11.     struct my_struct {};
  12.  
  13.     auto func(my_struct) -> void
  14.     {
  15.         cout << "my_ns::func" << endl;
  16.     }
  17.  
  18.     auto another_func() -> void
  19.     {
  20.         // won't compile without `using ::func;`
  21.         func(123);
  22.     }
  23. }
  24.  
  25. auto main() -> int {}
  26.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘void my_ns::another_func()’:
prog.cpp:21:17: error: could not convert ‘123’ from ‘int’ to ‘my_ns::my_struct’
         func(123);
                 ^
stdout
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Standard output is empty
https://ideone.com/WAWBfZ
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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