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SwiftのArrayの書き方がちょっと変わった

Last updated at Posted at 2014-07-07

注:挙動も大きく変わってたので、別に記事を書きました
SwiftのArrayがヤバくなくなった

先ほどXcode6beta3を入れてswiftのプロジェクトを開いたところ、Warningが増えていた。

Array types are now written with the brackets around the element type

これまでの配列の型の指定の書き方が、非推奨になって新しい書き方に変わるらしい。
エラーではないので、どちらでも動作上は問題ありません。

Arrayの型指定
//Xcode6beta2以前
let arrayOld : Int[] = [10, 20, 30]

//Xcode6beta3以降
let arrayNew : [Int] = [10, 20, 30]

こんな感じで、型の後ろに[]ではなくて、[型]と囲むようになりました。
新しい書き方のほうが直感的でいいですね。

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