Init.h

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#ifndef INIT_VTABLES_H
#define INIT_VTABLES_H


class VirtBase
{
protected:

        class Init
        {
        public:

                Init():p(NULL){}

                ~Init(){
                        if(p)
                                p->ctor();
                }

                void reg(VirtBase* _p)const{
                        p=_p;
                }
        private:
                mutable VirtBase* p;
        };
        friend class Init;
        virtual void ctor()=0;
        VirtBase(const Init& init){
                init.reg(this);
        }
};

#endif

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