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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 閉包表達式(Closure Expressions) 如果閉包表達式參數在參數列表中的最后一個時,使用尾部閉包表達式。給定閉包參數一個描述性的命名。 推薦做法: ~~~ UIView.animateWithDuration(1.0) { self.myView.alpha = 0 } UIView.animateWithDuration(1.0, animations: { self.myView.alpha = 0 }, completion: { finished in self.myView.removeFromSuperview() } ) ~~~ 不推薦做法: ~~~ UIView.animateWithDuration(1.0, animations: { self.myView.alpha = 0 }) UIView.animateWithDuration(1.0, animations: { self.myView.alpha = 0 }) { f in self.myView.removeFromSuperview() } ~~~ 當單個閉包表達式上下文清晰時,使用隱式的返回值: ~~~ attendeeList.sort { a, b in a > b } ~~~
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                              哎呀哎呀视频在线观看