[EMAIL PROTECTED] wrote:
On Sat, Jan 26, 2008 at 01:41:18AM -0800, Andrew Lentvorski wrote:
[EMAIL PROTECTED] wrote:
If I'm not mistaken, what makes a special form to be special is that
evaluation happens abnormally....
Why are "and" and "or" special forms yet "not" isn't?
Even I think I can answer that one......I'd guess none of those HAVE
You guess wrong.
The point of "if", "and", and "or" is sometimes to "shield" against an
operation even in purely functional contexts.
(and (not (= a 0)) (/ n a))
Therefore, you need *some* construct that does not always evaluate all
of its arguments.
That construct *must be* a special form.
-a
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