Question

How to output a string during compilation in C++

Answer 1

#include <iostream>

#pragma message("Compiler Message Test")

int main() {
    
    std::cout << "c++";
}



/*
run:

c++
test.cpp:3:40: note: ‘#pragma message: Compiler Message Test’
    3 | #pragma message("Compiler Message Test")

*/

 

70+ SQL courses for beginners and professionals