[Haskell-cafe] Description of Haskell extensions used by FPTOOLS

[Donald Bruce Stewart]

brianlsmith:
> 
>    Is there any design document for the FPTOOLS libraries or
>    some description of language features that are (allowed to
>    be) used in them?

There's a list of extensions used at the bottom of this page:
    http://hackage.haskell.org/trac/haskell-prime/wiki/HaskellExtensions

>    I am going to be taking some significant time off from my
>    normal jobs in the upcoming months. During part of that
>    time, I would like to do some work to improve the Haskell
>    toolchain. This involves creating or improving tools that
>    parse and analyze Haskell code. My goal is to have these
>    tools support enough of Haskell to be able to handle at
>    least the most important libraries used by Haskell
>    programmers. In particular, this includes all or most of the
>    libraries in FPTOOLS. Plus, I want these tools to operate on
>    Darcs as it is an obvious poster-child for Haskell. Thus, I
>    need to support Haskell 98 plus all the extensions being
>    used in Darcs and FPTOOLS as of approx. March, 2007 (as I
>    intened to start working again at that time).

Cool!

>    It would be very nice if there was some document that
>    described "Haskell 98 plus all the extensions being used in
>    Darcs and FPTOOLS as of March, 2007." Besides being useful
>    to me, it would be a useful guide for potential contributors
>    to FPTOOLS.

Darcs may also use GADTs then (not in the standard libs). Better check
with the darcs src.

-- Don