js-pairs


Install

``sh
npm install @hexlet/pairs
`

Usage example

`javascript
import {
cons, car, cdr, toString, isPair,
} from '@hexlet/pairs';

const pair = cons(3, 5);

isPair(pair); // true

car(pair); // 3
cdr(pair); // 5

toString(pair); // (3, 5)
`

$3

Full type definitions ship with the package:

`ts
import { cons, car } from '@hexlet/pairs'
import type { Pair } from '@hexlet/pairs'

const pair: Pair = cons(1, 'hexlet')
const left = car(pair) // type: number
`

For more information, see the Full Documentation

Development

- npm test — run Vitest
- npm run lint — ESLint (JS + TS)
- npm run typecheck — strict TypeScript diagnostics
- npm run build — emit ESM artifacts to dist/`

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