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Module

x/fun/mod.ts>refinement.Refinement

A collection of algebraic data types, lenses, and schemables based on a light weight higher kinded type implementation. Written for deno.
Latest
type alias refinement.Refinement
import { type refinement } from "https://deno.land/x/fun@v2.0.0/mod.ts";
const { Refinement } = refinement;

The refinement type is a function that returns a boolean indicating that a value satisfies a type.

Type Parameters

A
B extends A
definition: (a: A) => a is B