On Tue, May 28, 2013 at 08:58:29AM -0700, Johan Tibell wrote:
>
> The likely practical result of this is that every module will now read:
>
> module M where
>
> #if MIN_VERSION_base(x,y,z)
> import Prelude
> #else
> import Data.Num
> import Control.Monad
> ...
> #endif
>
> for the next 3 years or so.
Not so. First of all, if Prelude is not removed then you can just write
import Prelude
But even this is not necessary during the transition period: see
http://hackage.haskell.org/trac/haskell-prime/wiki/NoImplicitPreludeImport#Backwardscompatibility
for a way that backwards compatibility can be maintained, with
additional imports not being needed until code migrates to the
split-base packages.
Thanks
Ian
--
Ian Lynagh, Haskell Consultant
Well-Typed LLP, http://www.well-typed.com/
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