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Module

x/fun/mod.ts>decoder.refine

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

Type Parameters

A
B extends A

Parameters

refinement: (a: A) => a is B
id: string

Returns

<I>(from: Decoder<I, A>) => Decoder<I, B>