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dynamic cast用法详解
dynamic_cast 是 C++ 中用于类型转换的操作符,主要用于类继承体系中的安全向下转型。它在运行时检查转换是否合法,仅允许沿继承关系进行向上或向下转换,并要求类含有虚函数。若转换无效则返回空指针或抛出异常,确保类型安全。掌握其用法与限制对正确 ...
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