[Haskell-cafe] Conditional compilation for different versions of GHC?

[Antoine Latter]

On Sat, Nov 27, 2010 at 10:59 AM, Jinjing Wang <nfjinjing at gmail.com> wrote:
> Dear list,
>
> >From ghc 7.0.1 release notes:
>
>> The Language.Haskell.TH.Quote.QuasiQuoter type has two new fields: quoteType and quoteDec.
>
> Some of my code needs to be conditionally compiled to support both
> version 6 and 7, what is the recommended way to do it?
>
> ref:
>
> * http://new-www.haskell.org/ghc/docs/7.0.1/html/users_guide/release-7-0-1.html

Can you just not set those fields? Then the code should work as-is for
both versions. You'll get warnings for GHC 7, I think.

Antoine