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Module

x/fun/optics.ts>map

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
import { map } from "https://deno.land/x/fun@v2.0.0-alpha.6/optics.ts";

Parameters

fai: (a: A) => I

Returns

<T extends Tag, S>(first: Viewer<T, S, A>) => Viewer<T, S, I>