#include <iostream>
#include <type_traits>

int main() {
	std::nullptr_t bob;
	
	if (std::is_same<decltype(bob), decltype(nullptr)>{}) {
		std::cout << "bob is a std::nullptr_t." << std::endl;
	}
	if (bob == nullptr) {
		std::cout << "bob is nullptr." << std::endl;
	}
}