Now playing: Shape of you by Ed Sheeran Changing previous song. Now playing: Stubborn Love by The Lumineers Changing previous song. Now playing: Shape of you by Ed Sheeran Changing next song. Now playing: Ophelia by The Lumineers Changing next song. Created playlist Adding songs to the playlist. #Linked list code#When you run the code by calling all the methods from the main() function, the code prints the following. StartPlaying() method starts playing the playlist by playing the first song. ShowAllSongs() method simply iterates through our playlist(linked list) and prints every song one by one. Now we add a new song by linking it to the current song. When the next song is nil, it means we are at the end of the linked list. The addSong() method first checks whether the linked list is empty if not it then iterates through the linked list by using the pointer to next song until currentSong.next becomes nil. We have a createPlaylist() function that returns an instance of the playlist. Unlike arrays, the elements in the linked lists are not stored sequentially in memory.Īfter defining our song and playlist structs. Since a pointer to next node is stored on the node itself, it is not necessary that all nodes should be stored sequentially in memory. Which means you can only iterate them in one order, not reverse. Singly linked lists are the simplest type of linked lists where a node contains the data and pointer only to its next node. Linked lists are nothing but a bunch of nodes containing the data and a pointer to access the next node. To make things interesting we are going to learn all these by building a music playlist in Golang for our cute little gopher. In this article, we are going to learn different types of linked lists, operations and its complexity. Linked lists are one of the basic data structures that we come across in computer programming. Cute gopher listening to its music playlist written in Go
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