Skip to main content
The Deno 2 Release Candidate is here
Learn more
Module

x/fun/either.ts>fromPredicate

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

Type Parameters

E
A
B extends A

Parameters

refinement: Refinement<A, B>
onFalse: (a: A) => E

Returns

(a: A) => Either<E, B>