#include "boost/signals2.hpp"
#include <iostream>


class SignalTest : public boost::signals2::trackable
{
public:
    SignalTest() {};

    void printInfo(const std::string name, int num)
    {
        std::cout << "Signal: " << name << " " << num << std::endl;
    }
};




int main()
{
    boost::signals2::signal<void (const std::string&, int)> sig;

    SignalTest test1;
    // sig.connect(boost::bind(&SignalTest::printInfo, test1, _1, _2));
    sig.connect(boost::bind(&SignalTest::printInfo, &test1, _1, _2));
    sig("Test", 1);

    {
        SignalTest test2;
        // sig.connect(boost::bind(&SignalTest::printInfo, test2, _1, _2));
        sig.connect(boost::bind(&SignalTest::printInfo, &test2, _1, _2));
        sig("Test", 2);
    }

    return 0;
}