It's hard to distinguish a constructor from a class in an export list. S | -----Original Message----- | From: Alastair David Reid [mailto:reid@cs.utah.edu] | Sent: 20 September 2001 19:38 | To: Simon Marlow | Cc: Ian Lynagh; haskell@haskell.org; hugs-bugs@haskell.org | Subject: Re: Prelude and (:) and []((:), []) bugs? | | | | > Ah, I forgot that you can't export a constructor on its own. | | You can't? | | 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 disallowing it? | | -- | Alastair Reid reid@cs.utah.edu | http://www.cs.utah.edu/~reid/ | | | _______________________________________________ | Hugs-Bugs mailing list | Hugs-Bugs@haskell.org | http://www.haskell.org/mailman/listinfo/hugs-bugs |