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问题描述
在有效的C ++中......他们提到了BITWISE const和CONCEPTUAL contness .. 我感到困惑。 所以请帮我一些例子...
In Effective C++.. They mention the BITWISE const and CONCEPTUAL contness.. I am get confused. so pls help me with some examples...
推荐答案这里有一些(演员/可变)示例: 按位const意味着对象中的每个位都是永久的,因此对象的位图将永远不会改变。逻辑const意味着,虽然整个对象在概念上是不变的,但逐个成员可能会有变化 [ ^ ] :)) There are some (cast/mutable) examples here: Bitwise const means that every bit in the object is permanent, so a bit image of the object will never change. Logical const means that, although the entire object is conceptually constant, there may be changes on a member-by-member basis[^] :)
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按位常数和概念常数之间的区别?
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