casting
摘要:
upcasting : Assigning a pointer of a derived class type to a pointer of its base class type (将派生类类型指针赋值给基类类型指针 downcasting : Assigning a pointer of a 阅读全文
posted @ 2017-06-09 22:55 Skx971016 阅读(295) 评论(0) 推荐(0) 编辑