Ray Knight

If I want to build a component that implements the `HiddenContext.Provider` and controls whether a descendant is hidden or not. As you have it now, it's only possible to consume...

But if I'm building something that isn't a collection and I want to use `HiddenContext` or `Hidden`?

I could, but then I'd have to reimplement and rewrap every RAC that already implements a consumer of the HiddenContext (since I can't create the same context because instances wouldn't...