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Module

x/is_valid/composite/is_valid.ts>falseThen

A pure functional validator with composite function and validation utilities
TomokiMiyauci/is-valid
Latest
variable falseThen
import { falseThen } from "https://deno.land/x/is_valid@v1.0.0-beta.16/composite/is_valid.ts";

Receives a validator and message pair and returns a message when validation is false.

type

<R, T extends AnyFn, U extends AnyFn<Parameters<T>, R> | R, P extends [T, U]>(...tuple: P[]) => unknown