Here is a new Emacs package providing very basic Haskell programmer needs:

• Type checking
• Autocompletion
• Go to definition
• Type of selection
• A basic REPL support

It’s very simple, tries to just work, is based on Stack (required), the Emacs package auto-installs the correct version of its backend within your Stack working directory, supports the recently released GHC 8 all the way back to GHC 7.8.3. Having to configure anything to get basic functionality is considered a bug.

The home page is here with details and demonstrations:

http://commercialhaskell.github.io/intero/

The GitHub project where you can submit feature requests or bug reports:

https://github.com/commercialhaskell/intero

Thanks for reading!