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@KKKKKAAAAANNNNNMMMMMOOOOOin株式会社クリーマ

Objective-Cでの丸投げ(委譲）

Last updated at Posted at 2014-03-15

Objective-Cは丸投げ処理を比較的簡単に書けます。

こんな感じで

- (id)forwardingTargetForSelector:(SEL)aSelector
{

  if ([subcontractor respondsToSelector:aSelector]) {
      return subcontractor;
  } else {
      return [super forwardingTargetForSelector:aSelector];
  }
}

丸投げするメソッドをまとめたカテゴリーを定義しておかないとエラーになるので実装の手間が省けるぐらいかもしれませんですが。。。

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