NRE_EventHandler.hpp

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    #pragma once

    #include <functional>
    #include <Header/NRE_Utility.hpp>
    #include "../../NRE_System.hpp"

    namespace NRE {
        namespace Event {

            template <class T>
            class EventHandler : public Utility::Observer {
                public :     // Fields
                    typedef std::function<bool(T&)> Handler;

                private :    // Fields
                    Handler handler;    
                public :     // Methods
                    //## Constructor ##//
                        EventHandler() = delete;
                        EventHandler(Handler && h);

                    //## Copy Constructor ##//
                        EventHandler(EventHandler const& h) = delete;

                    //## Move Constructor ##//
                        EventHandler(EventHandler && h) = delete;

                    //## Deconstructor ##//
                        ~EventHandler();

                    //## Methods ##//
                        void update(Utility::Observable* obs, void* arg) override;

                    //## Assignment Operator ##//
                        EventHandler& operator =(EventHandler const& h) = delete;
                        EventHandler& operator =(EventHandler && h) = delete;
            };
        }
    }

    #include "NRE_EventHandler.tpp"