fork download 
  1. #include <iostream>
  2.  
  3. class Test
  4. {
  5. public:
  6.     void foo()
  7.     {
  8.         std::cout << 0 << std::endl;
  9.     }
  10.  
  11.     template< int N >
  12.     void fooN()
  13.     {
  14.         std::cout << N << std::endl;
  15.     }
  16.  
  17.     template< typename Fn >
  18.     void invoke( Fn&& fn )
  19.     {
  20.  
  21.         (*this.*fn)();
  22.     }
  23.  
  24. };
  25.  
  26.  
  27. int main( int args, char *argv[] )
  28. {
  29.     Test test;
  30.  
  31.     using Fn = decltype(&Test::fooN<1>);
  32.  
  33.     test.invoke<Fn>( &Test::foo );
  34.     test.invoke<Fn>( &Test::fooN<1> );
  35.  
  36.     return 0;
  37. }
Success #stdin #stdout 0s 3412KB
comments (?)
stdin 
Standard input is empty
stdout 
0
1
https://ideone.com/49vfKm
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!