Prelude and (:) and ((:), ) bugs?
Alastair David Reid
20 Sep 2001 12:37:36 -0600
> Ah, I forgot that you can't export a constructor on its own.
I probably knew this once but looking at it now, it seems kinda
surprising. Haskell's module system is supposed to be just namespace
control --nothing more-- so why is it preventing me from doing something
which is perfectly safe and well-defined?
I'll readily agree that there's no strong motivation for exporting a
constructor on its own (I think the only reason Hugs allows it is just
so we can export (:) from the Prelude) but what is the motivation for
Alastair Reid firstname.lastname@example.org http://www.cs.utah.edu/~reid/