import { PartialOption } from "https://deno.land/x/sane_fmt@0.15.1/x/args.ts";
Declare a partial option:
- If a value is found, return that value
- If not, return default value
type
<Name extends string, Value, Default>(name: Name, descriptor: PartialOptionDescriptor<Value, Default>) => FlagType<Name, Value | Default>