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// is_base_of example
#include <iostream>
#include <type_traits>
struct A {};
struct B : A {};
int main() {
std::cout << std::boolalpha;
std::cout << "is_base_of:" << std::endl;
std::cout << "int, int: " << std::is_base_of<int,int>::value << std::endl;
std::cout << "A, A: " << std::is_base_of<A,A>::value << std::endl;
std::cout << "A, B: " << std::is_base_of<A,B>::value << std::endl;
std::cout << "A, const B: " << std::is_base_of<A,const B>::value << std::endl;
std::cout << "A&, B&: " << std::is_base_of<A&,B&>::value << std::endl;
std::cout << "B, A: " << std::is_base_of<B,A>::value << std::endl;
return 0;
}
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