How to Define and Access a List in Prolog?
Автор: @virgilio-armando-cerna-choto
Загружено: 24 дек. 2024 г.
Просмотров: 3 404 просмотра
Using Lists in Prolog
Prolog is a powerful logic programming language that handles data structures effectively. Lists are one of the most fundamental data structures in Prolog, allowing you to store sequences of elements. Below, I'll provide examples of how to use lists in Prolog, including creating, accessing, and manipulating them.
Creating Lists
In Prolog, lists are created using square brackets. Here's how you can define some basic lists:
An empty list: []
A list of numbers: [1, 2, 3, 4, 5]
A list of atoms (symbols): [apple, banana, cherry]
A mixed list: [hello, 42, world]
Accessing List Elements
To access elements of a list, you can use the head and tail notation. The head is the first element, and the tail is the list containing the remaining elements.
% Define a list
my_list([head|tail]).
% Example of accessing head and tail
?- my_list([H|T]).
% H = head
% T = [tail]

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