import { apply } from "https://deno.land/x/mixwithts@1.1.2/mod.ts";
Applies mixin to superclass.
apply stores a reference from the mixin application to the unwrapped mixin
to make isApplicationOf and hasMixin work.
This function is useful for mixin wrappers that want to automatically enable hasMixin support.
type
<C extends Constructable, T>(superclass: C, mixin: mixin<C, T>) => T