[stzn/the-swift-programming-language-jp] Pull request opened: #415 遅延アクションの項目を追加

[stzn/the-swift-programming-language-jp] New comment on issue #388: Generics周りに大きな変更の可能性

[stzn/the-swift-programming-language-jp] Issue closed: #388 Generics周りに大きな変更の可能性