Function: byte-compile-zero-or-one-arg

byte-compile-zero-or-one-arg is a byte-compiled function defined in bytecomp.el.gz.

Signature

(byte-compile-zero-or-one-arg FORM)

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/bytecomp.el.gz
(defun byte-compile-zero-or-one-arg (form)
  (let ((len (length form)))
    (cond ((= len 1) (byte-compile-one-arg (append form '(nil))))
	  ((= len 2) (byte-compile-one-arg form))
	  (t (byte-compile-subr-wrong-args form "0-1")))))