Created
May 16, 2012 03:16
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【Scala】Play 2.0 Scala で Option のネストを綺麗にしたい【初心者】
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| def gabu(id: String, bid: String) = Action { | |
| Project.findOneByID(id) match { | |
| case Some(project: Project) => Build.findOneByID(new ObjectId(bid)) match { | |
| case Some(build: Build) => | |
| // etc... | |
| Ok(views.html.gabu(build) | |
| case None => NotFound | |
| } | |
| case None => NotFound | |
| } | |
| } |
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うおお、こんな書き方もできるんですね。
そうなんです。サンプルだとprojectを使ってないコードになってしまっていますが、
実際のコードはprojectを引き継いで使いたいのでツッコミ非常にありがたいです。
正常系、異常系が読みやすくなっていいですね！
アドバイスありがとうございます＞＜