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// make_signed
#include <iostream>
#include <type_traits>
enum ENUM1 {a,b,c};
enum class ENUM2 : unsigned char {x,y,z};
int main() {
typedef std::make_signed<int>::type A; // int
typedef std::make_signed<unsigned>::type B; // int
typedef std::make_signed<const unsigned>::type C; // const int
typedef std::make_signed<ENUM1>::type D; // int
typedef std::make_signed<ENUM2>::type E; // signed char
std::cout << std::boolalpha;
std::cout << "typedefs of int:" << std::endl;
std::cout << "A: " << std::is_same<int,A>::value << std::endl;
std::cout << "B: " << std::is_same<int,B>::value << std::endl;
std::cout << "C: " << std::is_same<int,C>::value << std::endl;
std::cout << "D: " << std::is_same<int,D>::value << std::endl;
std::cout << "E: " << std::is_same<int,E>::value << std::endl;
return 0;
}
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