[Haskell-cafe] Re: MTL vs Transformers?

Erik de Castro Lopo mle+hs at mega-nerd.com
Tue Oct 13 06:34:13 EDT 2009

John Lato wrote:

> Unfortunately the iteratee tests aren't exhaustive, but if it builds
> with MTL it should work.  I'm more surprised that it built just by
> changing the .cabal file;

Nope, no hacking required beyond the .cabal file.

> I would expect you'd have to hack up the
> imports in the source code.

Thats actually the problem, MTL and Transformers both provide
Control.Monad.Identity, Control.Monad.Trans and possibly others.

Erik de Castro Lopo

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