effect-io-ai

Package: effect
Module: Array

Array.prependAll

Prepends all elements from a prefix iterable to the front of an array.

When to use

Use to prepend multiple elements from an iterable to the front of an array.

Details

If either input is non-empty, the result is a NonEmptyArray.

Example (Prepending multiple elements)

import { Array } from "effect"

const result = Array.prependAll([2, 3], [0, 1])
console.log(result) // [0, 1, 2, 3]

See

• prepend — add a single element to the front
• appendAll — add elements to the end

Signature

declare const prependAll: { <S extends Iterable<any>, T extends Iterable<any>>(that: T): (self: S) => ReadonlyArray.OrNonEmpty<S, T, ReadonlyArray.Infer<S> | ReadonlyArray.Infer<T>>; <A, B>(self: Iterable<A>, that: NonEmptyReadonlyArray<B>): NonEmptyArray<A | B>; <A, B>(self: NonEmptyReadonlyArray<A>, that: Iterable<B>): NonEmptyArray<A | B>; <A, B>(self: Iterable<A>, that: Iterable<B>): Array<A | B>; }

Source

Since v2.0.0