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Module

x/ts_matches/src/matches.ts>Validator#errorMessage

Being able to pattern match in typescript
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method Validator.prototype.errorMessage
Re-export
import { Validator } from "https://deno.land/x/ts_matches@v5.2.1/src/matches.ts";

When we want to get the error message from the input, to know what is wrong

Parameters

input: A

Returns

void | string

Null if there is no error