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Xcode 9で気がついたPlaygroundの変更点

Last updated at Posted at 2015-11-08

はじめに

Xcode 9(Swift 4)でPlaygroundの一部の記述方法が変わっていたようなので覚書

作成したViewをタイムラインに表示する

PlaygroundでUIViewを表示したい場合に使用します。

XCPlaygroundPage.currentPage.liveView = view

新しい書き方は以下のとおりです。

PlaygroundPage.current.liveView = view

非同期処理の許可

Playgroundで通信処理などを実行したい場合に使用します。

XCPlaygroundPage.currentPage.needsIndefiniteExecution = true

新しい書き方は以下のとおりです。

PlaygroundPage.current.needsIndefiniteExecution = true

上記のPlaygroundPageを使用するためのインポート

import XCPlayground

新しい書き方は以下のとおりです。

import PlaygroundSupport
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