<@U1PRSBLHJ> That won't quite work. The `Thing`s d...

# announcements

[Ruckus]

@semoro That won't quite work. The `Thing`s do contain a Cache, just information on how to create one. I can easily turn them into a MutableMap<Thing<*>, Cache>, I was just wondering if there was a way to ensure the value for a given Thing matched the `Thing`'s generic type.