Skip to main content
Using Deno in production at your company? Earn free Deno merch.
Give us feedback
Module

x/fun/optics.ts>fold

A collection of algebraic data types, lenses, and schemables based on a light weight higher kinded type implementation. Written for deno.
Go to Latest
function fold
import { fold } from "https://deno.land/x/fun@v2.0.0-alpha.6/optics.ts";

Construct a Fold from get and modify functions.

Parameters

view: (s: S) => ReadonlyArray<A>
modify: (modifyFn: (a: A) => A) => (s: S) => S