Update CircularQueue.js for zero-length case (TheAlgorithms#1655)

MartinLBeacham · web-flow · commit 314144fae691 · 2024-04-03T20:55:30.000+05:30
* Update CircularQueue.js

* Update CircularQueue.js

Taking comments into account for refactoring my change.

* Update CircularQueue.js

Adding "this" to checkEmpty()
diff --git a/Data-Structures/Queue/CircularQueue.js b/Data-Structures/Queue/CircularQueue.js
@@ -77,7 +77,7 @@ class CircularQueue {
 
   // Displays the length of queue
   length() {
-    return this.queue.length - 1
+    return this.checkEmpty() ? 0 : this.queue.length - 1
   }
 
   // Display the top most value of queue

Original file line number	Diff line number	Diff line change
`@@ -77,7 +77,7 @@ class CircularQueue {`
`77`	`77`
`78`	`78`	`// Displays the length of queue`
`79`	`79`	`length() {`
`80`		`- return this.queue.length - 1`
	`80`	`+ return this.checkEmpty() ? 0 : this.queue.length - 1`
`81`	`81`	`}`
`82`	`82`
`83`	`83`	`// Display the top most value of queue`