Re: Haskell Platform call for consensus: add transformers and revise the mtl package to depend on it

On Thu, Nov 4, 2010 at 10:05 AM, Ross Paterson <ross <at> soi.city.ac.uk> wrote:
> On Thu, Nov 04, 2010 at 05:39:29PM +0100, Johan Tibell wrote:
>
> % cabal install --dry-run atomo-0.2
> Resolving dependencies...
> cabal: cannot configure monads-fd-0.1.0.3. It requires mtl ==2.*
> For the dependency on mtl ==2.* there are these packages: mtl-2.0.0.0. However
> none of them are available.
> mtl-2.0.0.0 was excluded because haskeline-0.6.3.1 requires mtl ==1.1.*
>
> This will become more common as more packages are upgraded to mtl-2.

For what it's worth, that's been fixed by the just-uploaded
haskeline-0.6.3.2.  (I was pleased to discover that I only needed to
bump the constraint in its build-depends.)

-Judah