Language extensions are used to enable language features that are not part of the official Haskell report, but extend the capabilities of the compiler.

TODO: Reach out to authors of guides below to request usage of content.

TODO: How To Enable Extensions (see https://www.schoolofhaskell.com/user/PthariensFlame/guide-to-ghc-extensions/how-to-enable-extensions)

TODO: Fold in Basic Track from Jannis' guide.

TODO: Link to official GHC docs for extensions.

Popular Guides

• An Opinionated Guide to Haskell in 2018 - by Alexis King

• A Guide to GHC's Extensions - by Jannis Limperg

• What I Wish I Knew When Learning Haskell - Extensions - by Stephen Diehl

• Guide to GHC Extensions - by Alexander Altman