[Haskell-cafe] List and description of language extensions

Sean Leather leather at cs.uu.nl
Fri Apr 3 09:46:06 EDT 2009

> It's been multiple times now that I've been confounded by something in
>> Haskell which was then solved by a language extension (first
>> FunctionalDependencies, most recently ScopedTypeVariables). I'm wondering if
>> there is a list anywhere of all the language extensions supported by GHC and
>> a brief description of them. I looked around, but couldn't find one. If
>> there isn't one, would others be willing to fill one in on the Haskell wiki?
>> I'll do what I can, but I obviously have a very limited knowledge of the
>> extensions available.
>> http://www.haskell.org/ghc/docs/latest/html/users_guide/ghc-language-features.html
> Thanks, that's what I was looking for.


$ ghc --supported-languages


$ ghc --supported-languages | sort

There's no description, but it's useful for a quick look-up and/or a

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