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Data Structures & Algorithms In Go

Queue Implementation Using Circular Linked List

Explore how to implement a queue data structure using a circular linked list in Go. Understand key queue operations such as adding elements at the tail, removing from the head, and peeking at the front without removal. Gain practical knowledge through detailed code examples and test cases that demonstrate efficient queue management using circular linked lists.

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So far we’ve seen how to implement a queue using an array or a simple linked list. Now, let’s look at how we can implement a queue using a circular linked list.

Queue struct

First of all, let’s define a struct for our circular linked list.

Go (1.6.2)
type Node struct {
    value int
    next *Node
}
type QueueLinkedList struct {
    head *Node
    tail *Node
    size int
}

Queue operations

Now, let’s make some common queue operations by ...