学び 忘れがちだけど， Mapのmapは caseいる hoge.map { (key, val) =>} // NG -hoge.map { case (key, val) =>} // OK IntelliJが起動しない IntelliJ IDEA 2016.2 Help :: Directories Used by IntelliJ IDEA to Store Settings, Caches, Plugins and Logs…