What are the differences between mapcat in Clojure and flatMap in Scala in terms of what they operate on?

Question

I understand the equivalent to flatMap in Scala is mapcat in Clojure.

I have an inkling that mapcat in clojure only works with sequences, unli

Answer 1

In the standard Scala library: Responder, Future, Parser, ControlContext. None of them are sequences or particularly sequence-like. There is also a slight variation in ParseResult.