Doubly Linked Lists
Explore the structure and benefits of doubly linked lists in Go by understanding how each node stores pointers to both previous and next nodes. Learn how this enables traversal in both directions and simplifies operations such as deletion. Understand practical applications like browser navigation and undo-redo functionality that rely on this data structure.
We'll cover the following...
At this stage, singly linked lists and operations such as insertion, deletion, and traversal have been covered. In a singly linked list, each node stores a value and a pointer to the next node. This design supports traversal in the forward direction, one node at a time.
However, singly linked lists have an important limitation. Because each node only stores a link to the next node, traversal is only possible in one direction. If we are currently at a node and want to return to the previous node, there is no direct way to do that. We would have to start again from the head and ...