Is there a visual modeling language or style for the functional programming paradigm?

Question

UML is a standard aimed at the modeling of software which will be written in OO languages, and goes hand in hand with Java. Still, could it possibly be used to model softwar

Answer 1

Yes, Haskell.

I get the impression that programmers using functional languages don't feel the need to simplify their language of choice away when thinking about their design, which is one (rather glib) way of viewing what UML does for you.