[Haskell-cafe] Is there an escape from MonadState+MonadIO+MonadError monad stack?

[Ömer Sinan Ağacan]

> Not as well-known as it should be is the fact that GHC doesn't make
> much use of monad transformers. Have you taken a look at the sources?
> That might provide ideas on future ways of structuring your
> experiments.

That's interesting, thanks! Do you have any recommendations about
which file to start reading? AFAIK, GHC is _huge_.

Ömer