I thought about providing package ghc-transformers-instances, that will provide instances for transformers's type classes for user. So ghc-tf-instances will depend on current ghc, and current transformers that could be provided by user environment. On Jan 21, 2015 7:15 PM, "Herbert Valerio Riedel" <hvrie...@gmail.com> wrote:
> On 2015-01-21 at 16:51:55 +0100, Alexander V Vershilov wrote: > > [...] > > > As transformers usage are quite limited in ghc, and it's really relevant > > in ghc-bin, it's possible to duplicate the code, and provide required > > fixes in ghc-bin.cabal. As a result ghc uses it's own MonadIO, > MonadControl > > and Strict State, and ghc-bin.cabal (ghc/*) uses ones from > > transformers. > > ...but doesn't this effectively mean that the instances provided by the > `ghc` package are of little use or rather can't be easily combined with > code that builds on top of the original `transformers` classes everyone > else uses? > > Cheers, > hvr >
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