temp_usage.cpp

#include <concepts>
#include <iostream>

template <typename T>
concept Addable = requires(T a, T b) {
    a + b;
};

void addAndPrint(Addable auto a, Addable auto b) {
    std::cout << a + b << std::endl;
}

int main() {
    addAndPrint(3, 4);        // Geçerli
    // addAndPrint(3, "Hi");  // Derleme hatası
    return 0;
}