Move

move.cpp

#include <iostream>
#include <string>

class Cat {
public:
    std::string s;

    Cat (const std::string &s) : s(s) {}

    Cat (const Cat &other) {
        std::cout << "copy\n";
        s = std::move(other.s); // hmm
    }

    Cat (Cat &&other) {
        std::cout << "move\n";
        s = std::move(other.s);
    }

    void show() {
        std::cout << "[" + s + "]" << "\n";
    }
};

int main() {
    Cat c1("cat1");
    Cat c2(std::move(c1));

    c1.show();
    c2.show();

    return 0;
}