functor with pimpl

abstract-functor.hpp

class AbstractFunctorImpl{public: virtual void Execute() = 0; };

template<class Object, class Method>
class FunctorImpl: public AbstractFunctorImpl{
	Object obj;
	Method meth;
public:

	FunctorImpl(Object& obj, Method meth) : obj(obj), meth(meth) {}
	void Execute(){ (obj.*meth)(); }
};

class Functor{
	AbstractFunctorImpl* fctor;
public:
	template<class Object, class Method>
	Functor(Object obj, Method meth){
		fctor = new FunctorImpl<Object, Method>(obj, meth);
	}
	void operator()(){ fctor->Execute(); };
	~Functor(){ delete fctor; }
};