Ruby Linked List

So what s a linked list.

Ruby linked list.

A data element also known as a node and a pointer element to the next node. New value first end. A linked list is a simple object we ll call it a node which has its own value or data plus a pointer to the next node in the list. A linked list is linear data structure that consisting of 2 elements.

This is the 3rd entry in the practical computer science in ruby series. User pc desktop ruby ruby linked list rb linkedlist 0x00000000051ff9a0 now we can create our first method to add a new element to our linkedlist. Because ruby is evaluated from right to left we can do it in a single line of code. Implementing a linked list in ruby.

Like the name says a linked list is a way to store data in a list format thanks captain obvious. Linked list implementation in ruby. For a general description of the linked list data structure with c program source code you might want to take a look at. What is a linked list.

This program along with the comments will hopefully give you a decent idea of how to go about implementing a linked list in ruby. Today we are going to talk about linked list. Def push value first node. However a singly linked list is a sequence of the element where the first node links to the second and the second links to the third and so on in one direction on the other hand a singly linked list has nodes with pointers which always point to the next element in the list.

We will start by adding the add first method. This discussion focus on singly linked list. It may be run with ruby linked list rb. Linked list implemented in ruby for the odin project.

You should definitly take a look at the wikipedia linked list article though as they do a much better job of describing it than i do. C program source code and explanation for a single linked list. So let me take a shot at a brief explanition.