Merge pull request kodecocodes#294 from codeOfRobin/patch-1

kelvinlauKL · web-flow · commit c783351f23d2 · 2016-11-20T13:20:04.000-08:00
Made Peek() a computed property
diff --git a/Queue/Queue.playground/Contents.swift b/Queue/Queue.playground/Contents.swift
@@ -34,7 +34,7 @@ public struct Queue<T> {
     }
   }
 
-  public func peek() -> T? {
+  public var peek: T? {
     return array.first
   }
 }
@@ -56,7 +56,7 @@ queueOfNames.dequeue()
 
 // Return the first element in the queue.
 // Returns "Lisa" since "Carl" was dequeued on the previous line.
-queueOfNames.peek()
+queueOfNames.peek
 
 // Check to see if the queue is empty.
 // Returns "false" since the queue still has elements in it.

Original file line number	Diff line number	Diff line change
`@@ -34,7 +34,7 @@ public struct Queue<T> {`
`34`	`34`	`}`
`35`	`35`	`}`
`36`	`36`
`37`		`- public func peek() -> T? {`
	`37`	`+ public var peek: T? {`
`38`	`38`	`return array.first`
`39`	`39`	`}`
`40`	`40`	`}`
`@@ -56,7 +56,7 @@ queueOfNames.dequeue()`
`56`	`56`
`57`	`57`	`// Return the first element in the queue.`
`58`	`58`	`// Returns "Lisa" since "Carl" was dequeued on the previous line.`
`59`		`-queueOfNames.peek()`
	`59`	`+queueOfNames.peek`
`60`	`60`
`61`	`61`	`// Check to see if the queue is empty.`
`62`	`62`	`// Returns "false" since the queue still has elements in it.`