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エラーハンドリングに Delegate を絡める #34

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Sep 12, 2022
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エラーハンドリングに Delegate を絡める #34

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4 changes: 4 additions & 0 deletions Documentation/Error.md
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Expand Up @@ -12,7 +12,11 @@ Swiftにはベースになる考え方があります。

## 課題
- 呼び出しAPIを`Throws ver`に変更する
- エラーを Delegate で受け取る
- 天気予報を画面に表示する
- APIエラーが発生したらUIAlertControllerを表示する
- エラーの内容に応じてメッセージを変更する
メッセージの内容は自由です。エラーを切り分けられていればOK。

## ヒント
- CLLocationDelegate の例だと、 [locationManager(_:didFailWithError:)](https://developer.apple.com/documentation/corelocation/cllocationmanagerdelegate/1423786-locationmanager) でエラーを受け取ります