CPP

c++ move semantics for `this`

struct S
{
    std::vector<int> data;
    S doStuff() &&
    {
        std::cout << "rvalue
";
        return {std::move(data)};
    }

    S doStuff() const&
    {
        std::cout << "const lvalue
";
        return {data};
    } 
};

move semantics in c++

void swap(T& a, T& b){
    T temp = std::move(a);
    a = std::move(b);
    b = std::move(temp);
}