https://i.redd.it/snl3r030j8e01.jpg

youme.c++

#include <iostream>

class Human {
public:
    Human(std::string nin) {
        name = nin;
    }

    Human() {
        name = "foo";
    }

    std::string name;
};

class Group {
public:
    Group(const Human& hin0, const Human& hin1) {
        h0 = hin0;
        h1 = hin1;
    }

    Human h0;
    Human h1;
};

Group operator+(const Human& lhs, const Human& rhs) {
    return Group(lhs, rhs);
}

bool operator==(const Group& lhs, const Group& rhs) {
    return lhs.h0.name == rhs.h0.name && lhs.h1.name == rhs.h1.name;
}

int main() {
    Human me("me");
    Human you("you");
    Group we(me, you);
    std::cout << ((we == me + you) ? "true" : "false");
}