| #include "base.h" | |
| class Foo : public Base { | |
| public: | |
| Foo() { } | |
| ~Foo() { } | |
| virtual void A() { | |
| printf("I'm Foo::A\n"); | |
| } | |
| void B() { | |
| printf("I'm Foo::B\n"); | |
| } | |
| virtual Base *toBase() { | |
| return static_cast<Base *>(this); | |
| } | |
| static Foo *fromBase(Base *b) { | |
| return dynamic_cast<Foo *>(b); | |
| } | |
| }; | |