I'm familiar with Elm but haven't used it. I may not have properly communicated my point: FRP + imperative can be messy, and can force you to abandon the basic

I'm familiar with Elm but haven't used it. I may not have properly communicated my point: FRP + imperative can be messy, and can force you to abandon the basic building blocks of an imperative language. It seems that Elm was designed from the ground up for FRP, so I have no objection to its use there.