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// is_trivially_copiable example
#include <iostream>
#include <type_traits>
struct A { int i; };
struct B {
int i,j;
B (const B& x) : i(x.i), j(1) {}; // copy ctor
};
int main() {
std::cout << std::boolalpha;
std::cout << "is_trivially_copyable:" << std::endl;
std::cout << "int: " << std::is_trivially_copyable<int>::value << std::endl;
std::cout << "A: " << std::is_trivially_copyable<A>::value << std::endl;
std::cout << "B: " << std::is_trivially_copyable<B>::value << std::endl;
return 0;
}
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