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Module

x/fun/mod.ts>map.modify

A collection of algebraic data types, lenses, and schemables based on a light weight higher kinded type implementation. Written for deno.
Latest
function map.modify
import { map } from "https://deno.land/x/fun@v2.0.0/mod.ts";
const { modify } = map;

Parameters

S: Comparable<B>

Returns

<A>(modifyFn: (a: A) => A) => (key: B) => (ta: ReadonlyMap<B, A>) => ReadonlyMap<B, A>