- 148 名前：デフォルトの名無しさん mailto:sage [2007/10/04(木) 00:53:05 ]
- class Base {
public: virtual Base *NewInstance() = 0;
};
class DerivA : public Base {
public: virtual Base *NewInstance(){ return new DerivA; }
};
class DerivB : public Base {
public: virtual Base *NewInstance(){ return new DerivB; }
};
Base *pA = new DerivA;
Base *pB = new DerivB;
Base *pC = pA->NewInstance();
Base *pD = pB->NewInstance();
