[Haskell-cafe] mtl and transformers

[Martijn van Steenbergen]

Günther Schmidt wrote:
> Hi,
> 
> when I cabal-installed the iteratee package, the transformers package 
> was also installed as a dependency.
> 
> Now when I run applications that import Control.Monad.Transformers I get 
> this:
> 
>     Could not find module `Control.Monad.Trans':
>      it was found in multiple packages: transformers-0.1.4.0 mtl-1.1.0.2

Another solution is to build your applications using Cabal and specify 
your dependency on mtl in the cabal file.

HTH,

Martijn.