Please ignore the previous message :) Screwed :)
P.
Begin forwarded message:
> From: Pavel Perikov <peri...@gmail.com>
> Date: 6 мая 2010 г. 11:55:36 Московское летнее время
> To: haskell-cafe list Cafe mailing <haskell-cafe@haskell.org>
> Cc: Беркгаут Борис <boris.berkg...@transas.com>
> Subject: {-# LANGUAGE DeriveApplicative #-} ?
>
> Hi, list!.
>
> Now in 6.12.1 we have DeriveFunctor, DeriveFoldable and DeriveTraversable.
> This greatly simplifies the "reuse structure" style of programming. Some
> structure (not just _data_ structure) got captured in ADT and can be reused
> for various purposes.
>
> Wouldn't it be nice to have the ability to derive Applicative as well? It
> shouldn't be more difficult than deriving Functor but will provide exciting
> possibilities. Just think about liftA2.
>
> Please note that deriving Monad is quite different story and seem generally
> unfeasible.
>
> Suggestions welcome.
>
> P.
>
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