const函数 [英] const functions

问题描述

当一个类的函数成员声明为const时，它意味着什么？


谢谢


Pmb

What does it meant when a function member of a class is declared as const?

Thanks

Pmb

推荐答案

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什么这是否意味着当一个类的函数成员声明为const？

What does it meant when a function member of a class is declared as const?

它不会修改调用它的对象。


john

That it does not modify the object on which it is called.

john

" Pmb" <所以***** @ somewhere.com>在消息中写道

新闻：X5 ******************** @ comcast.com ...

"Pmb" <so*****@somewhere.com> wrote in message
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什么这是否意味着当一个类的函数成员被声明为const？

What does it meant when a function member of a class is declared as const?

首先检查FAQ。
http://www.parashift.com/c++-faq-lit .. .html＃faq-18.10

Pmb写道：

当一个函数成员的意思是什么class被声明为const？

What does it meant when a function member of a class is declared as const?

该函数在调用时不会改变

对象的状态。


实际上这意味着：可以在const对象上调用此函数。

-

Karl Heinz Buchegger
kb ****** @ gascad.at

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