Question

How to check if compiler is C++17 with C++

Answer 1

#include <iostream>
 
int main() {
    #if __cplusplus==201703L
        std::cout << "Compiler is C++17" << std::endl;
    #elif __cplusplus==201402L
        std::cout << "Compiler is C++14" << std::endl;
    #elif __cplusplus==201103L
        std::cout << "Compiler is C++11" << std::endl;
    #else
        std::cout << "C++" << std::endl;
    #endif
}

 
 
/*
run:
 
Compiler is C++17
 
*/

 

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