Haskell Platform Proposal: add transformers and revise the mtl package to depend on it

Ross Paterson ross at soi.city.ac.uk
Tue Sep 21 07:24:45 EDT 2010


On Tue, Sep 21, 2010 at 12:16:08PM +0100, Sittampalam, Ganesh wrote:
> Ross Paterson wrote:
> > On Fri, Sep 17, 2010 at 12:29:46AM -0400, Brandon S Allbery KF8NH
> > wrote: 
> >> Wasn't the original notion to leave monads-fd as is and have mtl-2
> >> re-export monads-fd?
> > 
> > It was, but installing two packages providing modules with the same
> > name makes problems for people using ghci or ghc --make, and the
> > suggestion of hiding mtl was criticized as too disruptive.  Hence the
> > revised plan.
> 
> Isn't this still a problem for the things in transformers?

Since transformers-0.2.0.0 there have been no module name clashes with mtl.


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