[Haskell-cafe] Proposal: Shorter Import Syntax

[Alexey Shmalko]

If I understand correctly, the initial proposal was to enable the new
syntax by default and it mustn't break any code (full backward-compatible).

On Thu, Jun 4, 2015 at 11:46 PM Herbert Valerio Riedel <hvr at gnu.org> wrote:

> On 2015-06-04 at 22:23:26 +0200, Bardur Arantsson wrote:
>
> [...]
>
> >> Preserving the "qualified" keyword is better than no change at all,
> >> but is, I think, gratuitous preservation of a minor wart. Given the
> >> support for the original proposal, I'd hate to snatch defeat from the
> >> jaws of victory here.
> >>
> >
> > (I thought I'd posted this earlier, but I guess not from my news
> > reader's idea of concensus reality as decided by GMANE.org.)
> >
> > +1 to whatever syntax is decided upon as long as it doesn't break too
> > much existing code (i.e. published/Hackage code). Down with bikeshedding
> > for its own sake! :)
> > [..]
>
> Clearly, this new syntax won't be available by default when only
>
>   {-# LANGUAGE Haskell2010 #-}
>
> is active. So I assume this is going to be a new language extension
> enabled by a new to-be-named LANGUAGE-pragma (and if it stands the test
> of time, be enabled by default in, say {-# LANGUAGE Haskell2020 #-})? If
> so, why is it a concern if there's code breakage, as this new syntax
> will be an explicit opt-in?
>
> Cheers,
>   hvr
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