effect-io-ai

Package: effect
Module: Array

Array.reduce

Folds an iterable from left to right into a single value.

When to use

Use to combine all elements into one accumulated value from left to right.

Details

The function receives (accumulator, element, index).

Example (Summing an array)

import { Array } from "effect"

console.log(Array.reduce([1, 2, 3], 0, (acc, n) => acc + n)) // 6

See

• reduceRight — fold from right to left
• scan — fold keeping intermediate values

Signature

declare const reduce: { <B, A>(b: B, f: (b: B, a: A, i: number) => B): (self: Iterable<A>) => B; <A, B>(self: Iterable<A>, b: B, f: (b: B, a: A, i: number) => B): B; }

Source

Since v2.0.0