try! Swift Tokyo 2017 に参加した&リンク集 ref: http://qiita.com/roothybrid7/items/267ad11df4f87765588c

file0.txt

struct Environment {
  let apiService: ServiceProtocol
  let cookieStorage: HTTPCookieStorageProtocol
  let currentUser: User?
  let dataType: DateProtocol.Type
  ...
  let mainBundle: BundleProtocol
  let scheduler: SchedulerProtocol  // Reactive.Scheduler
  let reachability: ReachabilityProtocol  // 通信状態のシグナルはグローバル
  let userDefaults: UserDefaultsProtocol
}