effect-io-ai

Package: effect
Module: Array

Array.flatten

Flattens a nested array of arrays into a single array.

When to use

Use to collapse one level of nested arrays when no per-element mapping is needed.

Example (Flattening nested arrays)

import { Array } from "effect"

console.log(Array.flatten([[1, 2], [], [3, 4], [], [5, 6]])) // [1, 2, 3, 4, 5, 6]

See

• flatMap — map then flatten in one step

Signature

declare const flatten: <const S extends ReadonlyArray<ReadonlyArray<any>>>(self: S) => ReadonlyArray.Flatten<S>

Source

Since v2.0.0