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  1. #include <functional>
  2. #include <iostream>
  3.  
  4. std::function<int (int)> add(int a)
  5. {
  6. 	return [a](int b) { return a + b; };
  7. }
  8.  
  9. int main()
  10. {
  11. 	std::cout << add(3)(4) << "\n";
  12.  
  13. 	auto add3 = add(3);
  14.  
  15. 	std::cout << add3(2) << "\n";
  16.  
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 3460KB
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7
5
https://ideone.com/cB132O
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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