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C-/C++-Quelltext

        class SignalManager final{
        private:

            std::map<std::type_index, std::vector<ISlot*>>  subscriber_map;

        public:

            template<class Message>
            void emit(Message* message)
            {
                static_assert(std::is_base_of<IMessage, Message>::value, "Message is not derived from IMessage!");
                for (ISlot* pSlot : subscriber_map[std::type_index(typeid(Message))])
                {
                    pSlot->processMessage(message);
                }


            }

            template<class Message>
            void subscribe(ISlot* slot)
            {
                subscriber_map[std::type_index(typeid(Message))].push_back(slot);
            }

        };

C-/C++-Quelltext

#pragma once

#include "SignalManager.h"
#include <string>
#include <iostream>

using namespace Noir::Entity;

class TestMessage : public IMessage{
    public:
        std::string s;
        TestMessage(std::string s) : s(s) {};
};

class TestSlot : public ISlot{
    public:
         void processMessage(IMessage* message) override {
             if (TestMessage* msg = dynamic_cast<TestMessage*>(message))
                 std::cout << "Test Slot [1] says:" <<  msg->s << std::endl;
        }
};

class Message2 : public IMessage{
public:
    std::string s;
    Message2(std::string s) : s(s) {};
};

class TestSlot2 : public ISlot{
public:
    void processMessage(IMessage* message) override {
        if (Message2* msg = dynamic_cast<Message2*>(message))
            std::cout << "Test Slot [2] says:" << msg->s << std::endl;
    }
};


int main()
{
    SignalManager mgr;
    TestSlot slot;
    TestSlot2 slot2;

    mgr.subscribe<TestMessage>(&slot);
    mgr.subscribe<TestMessage>(&slot2);
    mgr.subscribe<Message2>(&slot2);

    for (int i = 0; i < 10; i++)
        mgr.emit(new TestMessage("I belong to 1."));

    std::cout << "---" << std::endl;

    for (int i = 0; i < 10; i++)
        mgr.emit<Message2>(new Message2("I belong to 2."));


    std::cin.get();
}

C-/C++-Quelltext

Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
Test Slot [1] says:I belong to 1.
---
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.
Test Slot [2] says:I belong to 2.

C-/C++-Quelltext

    mgr.subscribe<TestMessage>(&slot);
    mgr.subscribe<TestMessage>(&slot2);
    mgr.subscribe<Message2>(&slot2);