Mike Gunter wrote:

> > Remember you may ONLY use the three functions given above and NOTHING
> > else.  Creating a list with "foldr (:) []" is also not allowed.
> 
> Only?  How do I construct a pair?  (I'm probably misunderstanding you.)

What I meant to say is that those three functions are the ONLY way to
manipulate the abstract container.  That is this container has no head,
tail , etc. defined for it.


-- 
Kevin Atkinson
[EMAIL PROTECTED]
http://metalab.unc.edu/kevina/


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