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// add_pointer
#include <iostream>
#include <type_traits>
typedef std::add_pointer<int>::type A; // int*
typedef std::add_pointer<const int>::type B; // const int*
typedef std::add_pointer<int&>::type C; // int*
typedef std::add_pointer<int*>::type D; // int**
typedef std::add_pointer<int(int)>::type E; // int(*)(int)
typedef int X[3];
int main() {
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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