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Module

x/fun/mod.ts>nilable.fold

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

Parameters

onNil: () => I
onValue: (a: A) => I

Returns

(ta: Nilable<A>) => I