js-pairs-data

Install

npm install @hexlet/pairs-data

Usage example

import {
  l, isList, toString, cons, filter, head, tail
} from '@hexlet/pairs-data';

const numbers = l(3, 4, 5, 6, 7);
toString(numbers); // (3, 4, 5, 6, 7)

const first = head(numbers); // 3
const rest = tail(numbers);
toString(rest); // (4, 5, 6, 7)

isList(first); // false
isList(rest); // true

const newList = cons(8, rest);
toString(newList); // (8, 4, 5, 6, 7)

const filtered = filter((el) => el < 7, newList);
isList(filtered); // true
toString(filtered); // (4, 5, 6)

For more information, see the Full Documentation

This repository is created and maintained by the team and the community of Hexlet, an educational project. Read more about Hexlet (in Russian).