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  1. #include <iostream>
  2.  
  3. template<typename T>
  4. struct Bar
  5. {
  6.     typedef void (T::*F)();
  7.  
  8.     Bar( T& t_ , F f ) : t( t_ ) , func( f )
  9.     {
  10.     }
  11.  
  12.     void operator()()
  13.     {
  14.         (t.*func)();
  15.     }
  16.  
  17.     F func;
  18.     T& t;
  19. };
  20.  
  21. template<typename T>
  22. class Foo
  23. {
  24. private:
  25. 	void foo()
  26. 	{
  27.         std::cout << "Foo<T>::foo()" << std::endl;
  28. 	}
  29.  
  30. public:    
  31. 	Foo() : bar( *this , &Foo::foo ) 
  32. 	{
  33.         bar();
  34. 	}
  35.  
  36.     Bar<Foo<T> > bar;
  37. };
  38.  
  39. int main()
  40. {
  41. 	Foo<int> foo;
  42. }
Success #stdin #stdout 0s 3340KB
comments (?)
stdin 
Standard input is empty
stdout 
Foo<T>::foo()
https://ideone.com/IDsmgY
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
secret

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