Tuple.updateAt | /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.updateAt

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

updateAt<T extends Tuple.Source, K extends keyof T = keyof T>(

tuple: T,

index: K,

updater: Update<T[K]>,

): T

Returns a copy of the given tuple where the element at given index is updated with the given updater.

Examples

Example 1

const t = Tuple.of(1, 'a', true)
console.log(Tuple.updateAt(t, 1, 'b'))
// => [1, 'b', true]

optional

K extends keyof T = keyof T

tuple: T

index: K

updater: Update<T[K]>