You've answered 0 of 166 questions correctly. (Clear)

Question #233 Difficulty: 2

According to the C++23 standard, what is the output of this program?

    #include <type_traits>
#include <iostream>

struct X {
    int f() const&&{
        return 0;
    }
};

int main() {
    auto ptr = &X::f;
    std::cout << std::is_same_v<decltype(ptr), int()>
              << std::is_same_v<decltype(ptr), int(X::*)()>;
}

Answer:

Problems? View a hint or try another question.

I give up, show me the answer (make 3 more attempts first).

Mode : Training

You are currently in training mode, answering random questions. Why not Start a new quiz? Then you can boast about your score, and invite your friends.

Contribute

Create your own!

Android app

Get Sergey Vasilchenko's CppQuiz Android app.

C++ Brain Teasers

Get the book, support the site! C++ Brain Teasers cover