在c++中如何阻止类被继承
这个话题是源自于一个面试题,我在网上查了一下有不少这方面的解说!我自己整理了一下,选择了一个自认为是最优方案!
我们从最简单的开始:
首先,大家都知道要阻止类被实例化,可以通过使用private or protected 关键字来声明默认构造函数。那么在阻止类被继承的时候,我们需要用到这个技巧。其次,阻止类被继承还需要使用private来控制继承的基类。
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当我们写出下面的代码时,编译器在编译过程中做了什么呢?
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那就需要用到模板了:
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将想法付诸于实践,借此来影响他人是一个人存在的真正价值