Right, yeah - this is what I meant by const and typeof. It's definitely an option, but I'm nervous of relying on the semantics of const like that. But maybe I s

Right, yeah - this is what I meant by const and typeof. It's definitely an option, but I'm nervous of relying on the semantics of const like that. But maybe I shouldn't be, it seems pretty idiomatic? (the typeof part is just so you don't repeat yourself, or did you have something else in mind?)