swift函数调用：自我关键字vs无 [英] swift function calls: self-keyword vs without

问题描述

$ b

  self.myFuction（
）
 
我想知道这两个函数在类中是否有区别。 ）
  

VS

  myFunction（）
  

它正在以两种方式工作。是否有必要使用self-keyword？

解决方案

在大多数情况下：绝对没有区别。但是如果你省略自我，则更加快速。
但是有一种情况，当你必须在闭包表达式中使用self时：

但自从Swift 1.2开始，使用@noescape参数，您可以在关闭中省略self。

I was wondering if there is any difference between those two a function-calls in a class:

self.myFuction()

VS

myFunction()

it is working in both ways. Is there the case where it's necessary to use the self-keyword?

解决方案

In most cases: there is absolutely no difference. But it's more "swiftish" if you omit "self". But there is a case, when you have to use self: in closure expressions.

But since Swift 1.2, with the @noescape parameter, you can omit "self" in closures as well.

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