I've been looking for something like this. This cleanly solves the basic (majority) case and doesn't try to boil the ocean. It looks like it would be easy to bu

I've been looking for something like this. This cleanly solves the basic (majority) case and doesn't try to boil the ocean. It looks like it would be easy to build a higher-level API with more features on top of this, which is great. Nice work. Also kudos for documenting the shims in lieu of bundling them.