Function: cl-copy-list

cl-copy-list is a byte-compiled function defined in cl-lib.el.gz.

Signature

(cl-copy-list LIST)

Documentation

Return a copy of LIST, which may be a dotted list.

The elements of LIST are not copied, just the list structure itself.

View in manual

Aliases

copy-list (obsolete since 27.1)

Source Code

;; Defined in /usr/src/emacs/lisp/emacs-lisp/cl-lib.el.gz
(defun cl-copy-list (list)
  "Return a copy of LIST, which may be a dotted list.
The elements of LIST are not copied, just the list structure itself."
  (if (consp list)
      (let ((res nil))
	(while (consp list) (push (pop list) res))
	(prog1 (nreverse res) (setcdr res list)))
    (car list)))