Could iteratee depend on mtl instead of transformers?

Jeremy Shaw jeremy at n-heptane.com
Tue Nov 17 10:11:28 EST 2009


On Nov 17, 2009, at 8:42 AM, Valery V. Vorotyntsev wrote:
>
>  [*] I just tried to add `-hide-package mtl' to OPTIONS_GHC pragma,
>      with no success, and was googling for a clue.

I don't think that works, but you can do:

{-# LANGUAGE PackageImports #-}
import "transformers" Control.Monad.Reader

in GHC 6.10 and higher. I think you could even do:


{-# LANGUAGE PackageImports #-}
import "transformers" Control.Monad.Reader
import "mtl"                  Control.Monad.Writer

- jeremy
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