#include <type_traits>
#include <iostream>
#include <iomanip>
 
#define NOQUAL_DECLTYPE(x) std::remove_cv_t<std::remove_reference_t<decltype((x))>>
 
int main(void) {
	std::cout << std::boolalpha << std::is_same<char, NOQUAL_DECLTYPE('a')>::value << "\n";
	std::cout << std::boolalpha << std::is_same<int, NOQUAL_DECLTYPE('ab')>::value << "\n";
	std::cout << std::boolalpha << std::is_same<int, NOQUAL_DECLTYPE(42)>::value << "\n";
	std::cout << std::boolalpha << std::is_same<char[4], NOQUAL_DECLTYPE("abc")>::value << "\n";
	std::string s = "abc";
	std::cout << std::boolalpha << std::is_same<std::string, NOQUAL_DECLTYPE(s)>::value << "\n";
}

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