C++ Example with C++20 Keywords

C++ code posted by Tirthankar Mazumder
created at 02 Sep 22:34

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#include <iostream>

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

template <typename T>
T add(const T& a, const T& b) {
    return a + b;
}

int main() {
    std::cout << add(4, 5) << '\n';
}
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