我有一个CRTP基类如下:templateclassBase{public://hereisIthinkwheretheproblemisinlineconstDerived&self()const{return*static_cast(this);}};那么派生类定义为templateclassDerived:publicBase,sizeof...(Rest)>{public:Derived()=default;//ThisconstructorbindsanyarbitraryexpressiontoDerivedtemplateinlineDerived(constBase&s