c++ compare class type with string

cxx_compare_class_type.cpp

#include <iostream>
#include <string>
#include <type_traits>

int main()
{
    std::string s;
    std::cout << std::is_same<decltype(s), std::string>::value << std::endl;
    char s2[] = "";
    std::cout << std::is_same<decltype(s2), std::string>::value << std::endl;
    return 0;
}