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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. std::function<int(int)> funcGen(int param) {
  5. 	std::function<int(int)> myGeneratedFunc = 
  6. 	[param](int input) -> int { 
  7. 		return input+param;
  8. 	};
  9. 	return myGeneratedFunc;
  10. }
  11.  
  12. int main() {
  13.  
  14. 	std::function<int(int)> myFunc = funcGen(3);
  15. 	std::cout << "this should be 4=3+1: " << myFunc(1) << "\n";
  16. 	return 0;
  17. }
Success #stdin #stdout 0.01s 5448KB
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stdin
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Standard input is empty
stdout
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this should be 4=3+1: 4
https://ideone.com/QXoRev
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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