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  1. #include <iostream>
  2. #include <type_traits>
  3. using namespace std;
  4.  
  5. int i;
  6.  
  7. decltype(auto) f() { return i; }
  8. decltype(auto) g() { return (i); }
  9.  
  10. int main() {
  11.  
  12.    cout<<	is_same< decltype(f()), int>::value;
  13.    cout<<	is_same< decltype(g()), int&>::value;
  14.  
  15.  
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 4524KB
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https://ideone.com/JsXAnO
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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