[plt-scheme] What are "and" and "or" ?

From: Carl Eastlund (cce at ccs.neu.edu)
Date: Fri Feb 15 13:36:57 EST 2008

Well, that depends on whether you consider (lambda (a b) (and a b)) to
be "hiding behind the scenes".  You can easily write that (probably
using the define shorthand) and let students compare it to the macro
version.  I hope that helps.


On Fri, Feb 15, 2008 at 1:21 PM, Marco Morazan <morazanm at gmail.com> wrote:
> Thank you for the responses. I was wondering if there existed "and" or
>  "or" primitives that evaluated all its arguments hidden somewhere
>  behind the scenes. There is not which makes it a bit tricky to explain
>  to new CS students why "and" and "or" can not be passed around.
>  Cheers,
>  Marco

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