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  1. #include <functional>
  2. #include <iostream>
  3. int main()
  4. {
  5.     std::function<int(int)> f = [](int x) { return x; };
  6.     std::function<const int&(const int& x)> g = f;
  7.     std::cout << g( 42 ) << std::endl;
  8. }
Runtime error #stdin #stdout 0s 3408KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/AjjV7F
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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