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  1.     #include <iostream>
  2.  
  3.     template<typename R, typename... Args>
  4.     auto foo( R (*bar)(Args...), Args... args)
  5.     {
  6.     	return bar(std::forward<Args>(args)...);
  7.     }
  8.  
  9.     int main()
  10.     {
  11.     	/*
  12.     	 * mismatched types ‘void (*)(Args ...)’ and ‘main()::<lambda(int, float)>’
  13.     	 *
  14.     	foo([](int x, float y)
  15.     	     {
  16.     		   std::cout << x << " " << y << std::endl;
  17.     		 },
  18.     		5, 42.42f
  19.     	   );
  20.     	*/
  21.  
  22.     	foo(+[](int x, float y)
  23.     	     {
  24.     		   std::cout << x << " " << y << std::endl;
  25.     		 },
  26.     		5, 42.42f
  27.     	   );
  28.  
  29.         foo(+[](int x)
  30.     	     {
  31.     		   std::cout << x << std::endl;
  32.     		   return x;
  33.     		 },
  34.     		100500
  35.     	   );
  36.  
  37.     	return 0;
  38.     }
Success #stdin #stdout 0s 16064KB
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stdin
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Standard input is empty
stdout
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5 42.42
100500
https://ideone.com/Kmmr9B
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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