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Module

x/fun/mod.ts>optics.viewer

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

Type Parameters

T extends Tag
S
A

Parameters

tag: T
view: (s: S) => $<ToURI<T>, [A, never, never]>