Haskell 2010: libraries

David Menendez dave at zednenem.com
Wed Jul 15 13:10:47 EDT 2009

On Wed, Jul 15, 2009 at 11:33 AM, Simon Marlow<marlowsd at gmail.com> wrote:
> On 15/07/2009 15:54, Ian Lynagh wrote:
>> On Wed, Jul 15, 2009 at 03:39:55PM +0100, Simon Marlow wrote:
>>> But there's a solution: we could remove the "standard" modules from
>>> base, and have them only provided by haskell-std (since base will just
>>> be a re-exporting layer on top of base-internals, this will be easy to
>>> do).  Most packages will then have dependencies that look like
>>>   build-depends: base-4.*, haskell-std-2010
>> We'll probably end up with situations where one dependency of a package
>> needs haskell-std-2010, and another needs haskell-std-2011. I don't know
>> which impls support that at the moment.
> That's the case with base-3/base-4 at the moment.  Is it a problem?

Could I use two packages of arrow code which depend on base 3.0.2 and
base 3.0.3, respectively, in the same project?

Dave Menendez <dave at zednenem.com>

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