[Haskell-cafe] GHC.Generics and newtypes

[José Pedro Magalhães]

Ah, no. But that would be easy to add to the Datatype
class<http://hackage.haskell.org/packages/archive/base/4.6.0.0/doc/html/GHC-Generics.html#g:3>,
I think. Perhaps
open a feature request?


Cheers,
Pedro

On Sun, Jan 27, 2013 at 8:34 PM, Roman Cheplyaka <roma at ro-che.info> wrote:

> Sorry, I wasn't clear. What I want is somehow to find out whether the
> type under consideration is declared using data or newtype.
>
> Is it possible?
>
> Roman
>
> * José Pedro Magalhães <jpm at cs.uu.nl> [2013-01-27 20:29:52+0000]
> > Hi Roman,
> >
> > Yes, the automatic derivation of Generic instances does not see through
> > newtypes.
> >
> >
> > Cheers,
> > Pedro
> >
> > On Sun, Jan 27, 2013 at 8:17 PM, Roman Cheplyaka <roma at ro-che.info>
> wrote:
> >
> > > Hi,
> > >
> > > Is it possible to generate different instances for newtypes and
> > > datatypes using GHC.Generics?
> > >
> > > Roman
> > >
> > > _______________________________________________
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> > > Haskell-Cafe at haskell.org
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> > >
>
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