Extending the do-notation

[Sven Panne]

Sebastien Carlier wrote:
> I'm constantly amazed by the number of tricks one has
> to know before he can write concise code using the
> do-notation [...]

In my experience it is not the do-notation itself, but the mixture
of monadic actions and higher-order functions. But after a while
youŽll really like it.   :-)

> Another question concerning the do-notation: I noticed
> that most parts of ghc do not use it. Is it because
> the code was written before the notation was available,
> because the do-notation is too weak to express these
> parts, or for another fundamental reason ?

It's only because of historical reasons, nothing more.

Cheers,
   Sven