Tidying up cases

Author: wibosco

NetworkingInOperations-Example/Data/Abstract/ConcurrentOperation.swift

@@ -20,16 +20,14 @@ class ConcurrentOperation<T>: Operation {
 
     var completionHandler: (OperationCompletionHandler)?
 
-    // MARK: - Types
+    // MARK: - State
 
     enum State: String {
-        case ready = "isReady",
-        executing = "isExecuting",
-        finished = "isFinished"
+        case ready = "isReady"
+        case executing = "isExecuting"
+        case finished = "isFinished"
     }
 
-    // MARK: - Properties
-    
     var state = State.ready {
         willSet {
             willChangeValue(forKey: newValue.rawValue)
@@ -41,8 +39,6 @@ class ConcurrentOperation<T>: Operation {
         }
     }
 
-    // MARK: - Operation
-    
     override var isReady: Bool {
         return super.isReady && state == .ready
     }
@@ -55,11 +51,13 @@ class ConcurrentOperation<T>: Operation {
         return state == .finished
     }
 
+    // MARK: - Asynchronous
+    
     override var isAsynchronous: Bool {
         return true
     }
 
-    // MARK: - Control
+    // MARK: - Start
 
     override func start() {
         guard !isCancelled else {
@@ -74,6 +72,8 @@ class ConcurrentOperation<T>: Operation {
         main()
     }
 
+    // MARK: - Finish
+    
     func finish() {
         if isExecuting {
             state = .finished
@@ -88,6 +88,8 @@ class ConcurrentOperation<T>: Operation {
         }
     }
 
+    // MARK: - Cancel
+
     override func cancel() {
         super.cancel()