[Haskell-cafe] Why does Haskell have the if-then-else syntax?
doaitse at cs.uu.nl
Fri Jul 28 10:24:34 EDT 2006
On Jul 28, 2006, at 4:07 PM, Robert Dockins wrote:
> On an almost completely unrelated note, I've sometimes thought that
> it would be nice to be able to have the compiler auto-magicly
> generate catamorphisms for datatypes upon request. No, I haven't
> thought out the details.
For the time being you may resort to our attribute grammar system,
which basically generates such catamorphisms 9and matches nicely with
our parser combinators too):
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