From: "Lennart Borgman (gmail)" <lennart.borgman@gmail.com>
To: Emacs Devel <emacs-devel@gnu.org>
Subject: avltree => avl-tree (from jdee-devel)
Date: Thu, 04 Sep 2008 18:16:44 +0200 [thread overview]
Message-ID: <48C009EC.8090508@gmail.com> (raw)
There is a discussion on jdee-devel on how to manage the transition from
elib's avltree to avl-tree in current CVS Emacs, see below
Can someone please comment on this?
------- from jdee-devel:
CK> Can we define avl-tree-* functions if they do not already exist? My
CK> elisp is atrocious, but in Common Lisp I envision something like:
Sure. There's a old hack out there to make "defcustom" work even when
custom.el isn't available.
CK> (handler-case (symbol-function 'avl-tree-something)
CK> (undefined-function ()
CK> (setf (symbol-function 'avl-tree-something) (symbol-function
CK> 'avltree-something))))
CK> We could have a bunch of these as top-level forms (one for each
CK> avl-tree-* function we need to use). They would detect if
CK> #'avl-tree-something is undefined, and if so, define it to be the same
CK> function as #'avltree-something.
Something like this might work....
(if (not (require 'avl-tree nil t))
(progn (require avltree)
(defalias avl-tree-enter 'avltree-enter)
(defalias avl-tree-delete 'avltree-delete)
....
))
next reply other threads:[~2008-09-04 16:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-04 16:16 Lennart Borgman (gmail) [this message]
2008-09-05 2:40 ` avltree => avl-tree (from jdee-devel) Stefan Monnier
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