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  1. #include <iostream>
  2. #include <functional>
  3.  
  4. using namespace std;
  5.  
  6. int testPlus(int a) { return a + 1; }
  7. int testMinus(int a) { return a - 1; }
  8.  
  9. int main() {
  10. 	int value; cin>>value;
  11.  
  12. 	function<int(int)> f = value==1? testPlus : testMinus;
  13.  
  14. 	cout << f(3) << endl;
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 4356KB
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stdin 
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stdout 
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https://ideone.com/YV2mex
language:
C++ (gcc 8.3)
created:
4 years ago
visibility:
public

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