sigslots_test.cpp

#include <iostream>
#include "sigslots.h"

using namespace std;

template <bool First = true, typename T, typename ...Args>
void Log(const T& t, const Args& ...args) {
    cerr << t << ' ';
    if constexpr (sizeof...(args))
        Log<false>(args...);
    if constexpr (First)
        cerr << endl;
};

struct Class {
    int x, y;
    void X() { Log(x); }
    void Y() { Log(y); }
};

int main() {
    Class x1y1, x2y3;
    x1y1.x = x1y1.y = 1;
    x2y3.x = 2; x2y3.y = 3;
    signal<> sig;
    sig.connect(&x1y1, &Class::X);
    sig.emit();
    sig.connect(&x1y1, &Class::Y);
    sig.disconnect(&x1y1, &Class::X);
    sig.emit();
}