Tuple.first | /deep/tuple.ts | rimbu@0.13.5

Rimbu is a TypeScript library focused on immutable, performant, and type-safe collections and other tools.

function Tuple.first

import { Tuple } from "https://deno.land/x/rimbu@0.13.5/deep/tuple.ts";
const { first } = Tuple;

first<T extends Tuple.Source>(tuple: T): T[0]

Returns the first element of a Tuple.

Examples

Example 1

const t = Tuple.of(1, 'a', true)
console.log(Tuple.first(t))
// => 1

tuple: T

T[0]