标签：的问答
为什么要把所有要素都视为独一无二?
原文：Why does STL set have count() when all elements are supposed to be unique?
原文：Why does STL set have count() when all elements are supposed to be unique?
我可以理解,计算价值发生次数的多端已经计算,因为多个因素可以重复。
只能通过构造函数来设置类属性
原文：Set properties of a class only through constructor
原文：Set properties of a class only through constructor
我正在尝试创建一个类的属性，只能通过同一类的构造函数进行设置。
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