Ruby 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.

Ruby linked list.

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. This discussion focus on singly linked list. 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. Ruby linked list pt3 floyd s cycle detection.

We will start by adding the add first method. What is a linked list. C program source code and explanation for a single linked list. A data element also known as a node and a pointer element to the next node.

Because ruby is evaluated from right to left we can do it in a single line of code. It may be run with ruby linked list rb. New value first end. Today we are going to talk about linked list.

Implementing a linked list in ruby. 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. For a general description of the linked list data structure with c program source code you might want to take a look at.

The start or entry point of a linked list is called the head and last node will have a pointer of null. A linked list is linear data structure that consisting of 2 elements. 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. Linked list implemented in ruby for the odin project.

So what s a linked list. Like the name says a linked list is a way to store data in a list format thanks captain obvious. Def push value first node.