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Module

x/fun/mod.ts>map.lookup

A collection of algebraic data types, lenses, and schemables based on a light weight higher kinded type implementation. Written for deno.
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function map.lookup
import { map } from "https://deno.land/x/fun@v.2.0.0-alpha.11/mod.ts";
const { lookup } = map;

Returns

(k: K) => <A>(ta: ReadonlyMap<K, A>) => Option<A>