Hi,
The TransformListComp extension makes group a keyword. Unfortunately
group is a useful function, and is even in Data.List. Thus,
Data.List.group and TransformListComp are incompatible. This seems a
very painful concession to give up a nice function name for a new
extension. Is this intentional? Here's an example:
> $ cat GroupKeyword.hs
> {-# LANGUAGE TransformListComp #-}
> module GroupKeyword where
>
> a = map head $ group $ sort [1..100]
> $ ghci GroupKeyword.hs
> GHCi, version 6.10.2: http://www.haskell.org/ghc/ :? for help
> Loading package ghc-prim ... linking ... done.
> Loading package integer ... linking ... done.
> Loading package base ... linking ... done.
> [1 of 1] Compiling GroupKeyword ( GroupKeyword.hs, interpreted )
>
> GroupKeyword.hs:4:15: parse error on input `group'
> Failed, modules loaded: none.
> Prelude>
There are some places I'd like to use TransformListComp, but I often
want to use group in the same module.
Thanks
Neil
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