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questions about IF
I just noticed something strange about the Symbolic's IF:
(I am still using 7.1 so this may not apply in 7.2?)
>(defun testif (x)
> (if x (print 'a) (print 'b) (print 'c) (print 'd)) )
So the else-clause to an IF is an implicit PROGN.
This is NOT in the Common-Lisp language specification?
Personally I believe it is an error since the code looks so funny :^)
Someone said recently in this group that IF is now a more primitive than
the COND. Can I get more details on this? How could they have done this? Does
my code run faster now if I use Ifs than if I use Conds?