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  1. #include <iostream>
  2. #include <type_traits>
  3.  
  4. int main() {
  5. 	std::cout << std::is_same<int &, std::add_const<int &>::type>::value << std::endl;
  6. 	std::cout << std::is_same<int, std::add_const<int>::type>::value << std::endl;
  7. 	std::cout << std::is_same<int const, std::add_const<int>::type>::value << std::endl;
  8.  
  9. 	std::cout << std::is_same<int &, std::add_lvalue_reference<std::add_const<int &>::type>::type>::value << std::endl;
  10. 	std::cout << std::is_same<int &, std::add_lvalue_reference<std::add_const<int>::type>::type>::value << std::endl;
  11. 	std::cout << std::is_same<int const &, std::add_lvalue_reference<std::add_const<int>::type>::type>::value << std::endl;
  12.  
  13.  
  14. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
Standard input is empty
stdout 
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https://ideone.com/B8kI1C
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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