如何在 Swift 中将元组转换为 AnyObject [英] How to convert Tuple to AnyObject in Swift

问题描述

以下代码编译出错:Error:(112, 20) type '(String, Int)' 不符合协议 'AnyObject'

func myMethode() {
    aMethodeThatICanNotChange {
        let a  = ("John",7)
        return a  // Error:(112, 20) type '(String, Int)' does not conform to protocol 'AnyObject'
    }
}

func aMethodeThatICanNotChange(closure: () -> AnyObject) {
     // do something with closure
}

如何将元组转换/转换为 AnyObject?

How can I cast/convert a Tuple to AnyObject?

推荐答案

如何将元组转换/转换为 AnyObject?

How can I cast/convert a Tuple to AnyObject?

简单地说，你不能.只有类类型(或桥接到基础类类型的类型)可以转换为 AnyObject.元组不是类类型.

Simply put, you can't. Only class types (or types that are bridged to Foundation class types) can be cast to AnyObject. A tuple is not a class type.

当然，可能还有很多其他方法可以完成您真正想要完成的任务.但至于你的特定问题，你做不到.

Of course there may be lots of other ways to accomplish whatever you're really trying to accomplish. But as for your particular question, you can't do it.

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