import { enumeration } from "https://deno.land/x/value_schema@v3.1.2/dist-deno/exporter.ts";
schema for enum-like (enum / union) or null
Parameters
options: OptionsForEnumeration<E> & NullableOptions
Returns
EnumerationSchema<E, null>
x/value_schema/dist-deno/exporter.ts>enumeration
import { enumeration } from "https://deno.land/x/value_schema@v3.1.2/dist-deno/exporter.ts";
schema for enum-like (enum / union) or null