(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.