幾種強制轉換

原創 Marvin-nj 2020-06-24 19:53

1.reinterpret_cast:：轉換一個指針爲其它類型的指針，一個指針到另一個指針的值的二進制拷貝，不做類型檢查。


2.const_cast：用於類型轉換掉表達式的const或volatile屬性。


3. static_cast：在功能上基本上與C風格的類型轉換一樣，基本得轉換方式。


4. dynamic_cast：它被用於安全地沿着類的繼承關係向下進行類型轉換，多態情況下常用，進行轉換後的類型安全檢查
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