4 ms·
Or "if" could be a special form so that you can just write (if (> x 3) (printf a) (printf b))
by AnaniasAnanas 8y ago
Or "if" could be a special form so that you can just write
(if (> x 3) (printf a) (printf b))
- erik_seaberg 8y agoWHEN takes an implicit PROGN like that (so does UNLESS). IF can't because it needs to delimit the then-form from the else-form somehow. http://clhs.lisp.se/Body/m_when_.htm http://clhs.lisp.se/Body/m_when_.htm