X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fdeque.ts;h=723f1a4950688bcea0244e83a8f764b02cdf5a38;hb=5b5321fd0b3ef10dd12b9aa21bf3ca9fa3970e76;hp=2eae8034845789b4991c3d1435c24f7050726c42;hpb=4843c5e8874c71a3ba37ae9c152a0fce133f23e7;p=poolifier.git

diff --git a/src/deque.ts b/src/deque.ts
index 2eae8034..723f1a49 100644
--- a/src/deque.ts
+++ b/src/deque.ts
@@ -76,14 +76,14 @@ export class Deque<T> {
    */
   public pop (): T | undefined {
     if (this.head == null) {
-      return undefined
+      return
     }
     const tail = this.tail
     this.tail = (this.tail as Node<T>).prev
     if (this.tail == null) {
-      this.head = undefined
+      delete this.head
     } else {
-      this.tail.next = undefined
+      delete this.tail.next
     }
     --this.size
     return tail?.data
@@ -96,14 +96,14 @@ export class Deque<T> {
    */
   public shift (): T | undefined {
     if (this.head == null) {
-      return undefined
+      return
     }
     const head = this.head
     this.head = this.head.next
     if (this.head == null) {
-      this.tail = undefined
+      delete this.tail
     } else {
-      this.head.prev = undefined
+      delete this.head.prev
     }
     --this.size
     return head?.data
@@ -129,8 +129,8 @@ export class Deque<T> {
    * Clears the deque.
    */
   public clear (): void {
-    this.head = undefined
-    this.tail = undefined
+    delete this.head
+    delete this.tail
     this.size = 0
     this.maxSize = 0
   }