We heard your requests for Haskell and today we're excited to finally announce Haskell as yet another language we support. We've decided to put our focus on adding more functional languages, starting with Haskell, so you can expect more very soon.
Right now, the Haskell repl has few limitations. In the repl, stdout won't be
echoed until your program completes execution, and stdin is completely ignored.
So if you want to use something like getLine, it's probably best to put that
in the editor. Aside from that, it should behave eactly likeghci.
You can give it a try right now atrepl.it/languages/haskell. Let us know what you think.
And as always here's a gif of what you can expect: