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  1. #include <iostream>
  2. #include <type_traits>
  3. using namespace std;
  4.  
  5. struct A { };
  6. struct B { B& operator= (const B&) = delete; };
  7.  
  8. int main() {
  9. 	std::cout << std::boolalpha;
  10. 	std::cout << "is_copy_assignable:" << std::endl;
  11. 	std::cout << "int: " << std::is_copy_assignable<int>::value << std::endl;
  12. 	std::cout << "A: " << std::is_copy_assignable<A>::value << std::endl;
  13. 	std::cout << "B: " << std::is_copy_assignable<B>::value << std::endl;
  14. 	return 0;
  15. }
Success #stdin #stdout 0s 3296KB
comments (?)
stdin
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Standard input is empty
stdout
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is_copy_assignable:
int: true
A: true
B: false
https://ideone.com/1FQVe5
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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