Skip to main content
Module

x/fun/mod.ts>optics.atMap

A collection of algebraic data types, lenses, and schemables based on a light weight higher kinded type implementation. Written for deno.
Go to Latest
function optics.atMap
import { optics } from "https://deno.land/x/fun@v2.0.0-alpha.6/mod.ts";
const { atMap } = optics;

Construct an Optic over a ReadonlyMap that can lookup a value by key.

TODO: Clean this implementation up.

Parameters

eq: Eq<B>