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  1. #include <functional>
  2.  
  3. void f(int x)
  4. {
  5. 	printf("%d\n", x);
  6. }
  7.  
  8. typedef void (*fp)(int);
  9.  
  10. int main()
  11. {
  12. 	std::function<void (int)> g1 = std::bind(f, std::placeholders::_1);
  13. 	g1(1); //print 1
  14.  
  15. 	fp g2(f);
  16. 	g2(2); //print 2
  17.  
  18. 	fp g3 = *g1.target<fp>(); 
  19. 	g3(3);
  20.  
  21. 	return 0;
  22. }
Runtime error #stdin #stdout 0s 3272KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/1FKquB
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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