| For the moment I've chosen to do the mdo desugaring manually instead
| of moving to the CVS ghc (or exclusively using Hugs.) Will mdo be in
| the next release? (That's 5.04.2, I think -- though I've recently
| been confused about GHC releases.) The relevant revision to Lex.lhs
| is pretty
At 2002-12-02 00:37, Simon Peyton-Jones wrote:
Main things in the next major release are
mdo
Template Haskell
Can mdo be done in TH? It would be nice if there were some kind of macro
system for this sort of thing; I know there's also a syntax for Arrows
that requires a
On Mon, 2 Dec 2002, David Bergman wrote:
(snip)
Till then, we Haskellers will probably continue expressing our
patterns either directly in Haskell or using highly formal language,
with terms such as catamorphisms.
The virtue, and weakness, of traditional design patterns is their
vagueness
