Simplify code.

Author: inamiy

SwiftTask/_StateMachine.swift

@@ -124,7 +124,7 @@ internal class _StateMachine<Progress, Value, Error>
         self._lock.lock()
         defer { self._lock.unlock() }
 
-        let newState = self.state.updateIf { $0 == TaskState.Running ? .Fulfilled : nil }
+        let newState = self.state.updateIf { $0 == .Running ? .Fulfilled : nil }
         if let _ = newState {
             self.value.rawValue = value
             self._finish()
@@ -137,7 +137,7 @@ internal class _StateMachine<Progress, Value, Error>
         defer { self._lock.unlock() }
 
         let toState = errorInfo.isCancelled ? TaskState.Cancelled : .Rejected
-        let newState = self.state.updateIf { $0 == TaskState.Running || $0 == .Paused ? toState : nil }
+        let newState = self.state.updateIf { $0 == .Running || $0 == .Paused ? toState : nil }
         if let _ = newState {
             self.errorInfo.rawValue = errorInfo
             self._finish()
@@ -149,7 +149,7 @@ internal class _StateMachine<Progress, Value, Error>
         self._lock.lock()
         defer { self._lock.unlock() }
 
-        let newState = self.state.updateIf { $0 == TaskState.Running ? .Paused : nil }
+        let newState = self.state.updateIf { $0 == .Running ? .Paused : nil }
         if let _ = newState {
             self.configuration.pause?()
             return true
@@ -193,7 +193,7 @@ internal class _StateMachine<Progress, Value, Error>
 
     private func _handleResume() -> Bool
     {
-        let newState = self.state.updateIf { $0 == TaskState.Paused ? .Running : nil }
+        let newState = self.state.updateIf { $0 == .Paused ? .Running : nil }
         if let _ = newState {
             self.configuration.resume?()
             return true
@@ -208,7 +208,7 @@ internal class _StateMachine<Progress, Value, Error>
         self._lock.lock()
         defer { self._lock.unlock() }
 
-        let newState = self.state.updateIf { $0 == TaskState.Running || $0 == .Paused ? .Cancelled : nil }
+        let newState = self.state.updateIf { $0 == .Running || $0 == .Paused ? .Cancelled : nil }
         if let _ = newState {
             self.errorInfo.rawValue = ErrorInfo(error: error, isCancelled: true)
             self._finish()