Event delegate handler in c++

event-delegate-handler.cpp

#include <functional>
#include <iostream>
#include <vector>

template <class TArgs>
class Delegate
{
    std::vector<std::function<void(const TArgs &)>> _handlers;

public:
    Delegate()
    {}

    void operator+=(std::function<void(const TArgs &)> handler)
    {
        _handlers.push_back(handler);
    }

    void operator()(const TArgs &args)
    {
        Invoke(args);
    }

    void Invoke(const TArgs &args)
    {
        for (auto handler : _handlers)
        {
            handler(args);
        }
    }
};