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  1. #include <iostream>
  2.  
  3. template< typename T >
  4. class A
  5. {};
  6.  
  7. class B
  8. {
  9.   public:
  10.     template< typename... T >
  11.     void operator()( A<T>... a )
  12.     {
  13.       std::cout << "A<T>\n";
  14.     }
  15.  
  16.     template< typename callable >
  17.     void operator()( callable f )
  18.     {
  19.       std::cout << "callable\n";
  20.     }
  21. };
  22.  
  23.  
  24. int main()
  25. {
  26.   B      b;
  27.   A<int> a;
  28.  
  29.   b( a );
  30. }
Success #stdin #stdout 0s 3468KB
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stdin
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Standard input is empty
stdout
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callable
https://ideone.com/hPDhJW
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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