over | /mod.ts | rambda@9.2.1

function over

import { over } from "https://deno.land/x/rambda@9.2.1/mod.ts";

over<S, A>(lens: Lens<S, A>): { (fn: (a: A) => A): (value: S) => S; (fn: (a: A) => A, value: S): S; }

It returns a copied Object or Array with modified value received by applying function fn to lens focus.

over<S, A>(lens: Lens<S, A>, fn: (a: A) => A): (value: S) => S

over<S, A>(

lens: Lens<S, A>,

fn: (a: A) => A,

value: S,

): S

It returns a copied Object or Array with modified value received by applying function fn to lens focus.

Type Parameters

lens: Lens<S, A>

{ (fn: (a: A) => A): (value: S) => S; (fn: (a: A) => A, value: S): S; }

lens: Lens<S, A>

fn: (a: A) => A

(value: S) => S

lens: Lens<S, A>

fn: (a: A) => A

value: S