diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/cl-extra.el | 19 |
1 files changed, 1 insertions, 18 deletions
diff --git a/lisp/emacs-lisp/cl-extra.el b/lisp/emacs-lisp/cl-extra.el index 194f6c6d9b4..ac206a84afd 100644 --- a/lisp/emacs-lisp/cl-extra.el +++ b/lisp/emacs-lisp/cl-extra.el @@ -565,24 +565,7 @@ If START or END is negative, it counts from the end." (setq list (cdr list))) (if (numberp sublist) (equal sublist list) (eq sublist list))) -(defun cl-copy-tree (tree &optional vecp) - "Make a copy of TREE. -If TREE is a cons cell, this recursively copies both its car and its cdr. -Contrast to copy-sequence, which copies only along the cdrs. With second -argument VECP, this copies vectors as well as conses." - (if (consp tree) - (let ((p (setq tree (copy-list tree)))) - (while (consp p) - (if (or (consp (car p)) (and vecp (vectorp (car p)))) - (setcar p (cl-copy-tree (car p) vecp))) - (or (listp (cdr p)) (setcdr p (cl-copy-tree (cdr p) vecp))) - (cl-pop p))) - (if (and vecp (vectorp tree)) - (let ((i (length (setq tree (copy-sequence tree))))) - (while (>= (setq i (1- i)) 0) - (aset tree i (cl-copy-tree (aref tree i) vecp)))))) - tree) -(defalias 'copy-tree 'cl-copy-tree) +(defalias 'cl-copy-tree 'copy-tree) ;;; Property lists. |