private 和 fileprivate 顶级类的区别 [英] Distinction between private and fileprivate top-level classes

问题描述

在 Swift 3 中，访问控制的区别究竟是什么

In Swift 3, what exactly is the difference in access control between

private class Foo { }

和

fileprivate class Bar { }

假设两者都是顶级类，也就是说，它们被直接放置在一个文件中而不是嵌套在其他一些结构中?

assuming both are top-level classes, that is, they are placed directly into a file rather than nested in some other construct?

推荐答案

您的情况没有区别.fileprivate 与 private 唯一不同的地方是在类、结构或协议中.

There is no difference in your case. The only time that fileprivate differs from private is inside a class, struct, or protocol.

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