可以转换为Swift 5 [英] Conversion to Swift 5 is available

问题描述

我在Xcode 10.2中收到此警告.

I'm getting this warning in Xcode 10.2.

Conversion to swift 5 is available

当我单击此错误时，它将打开此窗口

When i click this error it's opening this window

当我们点击下一步时，将会发生...

When we click NEXT what will happen...

推荐答案

swift的当前版本是swift5，仅在xcode 10.2中受支持，而您在xcode 10.2中使用的是swift4或swift4.2等其他版本.此警告意味着如果您单击此警告，将会有新版本的swift出现，您将收到一个弹出窗口，并会请求权限以将代码转换为最低版本的swift(现在为swift5).如果单击是"，则弹出的xcode会自动将您的代码转换为新版本的swift(在您的情况下为swift5)

current version of swift is swift5 which only supported in xcode 10.2 and you are using another version like swift4 or swift4.2 in xcode 10.2 . This warning means that a new version of swift is available if you click this warning a you will receive a pop up and will ask for permission to convert your code in leatest version of swift (which is now swift5) . if you click yes to the pop up xcode automatically convert you code to newwst version of swift(which is swift5 in you case)

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