From: martin rudalics <rudalics@gmx.at>
To: Chong Yidong <cyd@gnu.org>
Cc: emacs-devel@gnu.org
Subject: Re: window-next-buffers
Date: Thu, 24 Nov 2011 10:59:59 +0100 [thread overview]
Message-ID: <4ECE159F.8080300@gmx.at> (raw)
In-Reply-To: <878vn67y0l.fsf@gnu.org>
> IIUC, the functions window-next-buffers and set-window-next-buffers (and
> the corresponding next_buffers slot) exist for navigating "forward" in
> the window history list, via switch-to-next-buffer, after doing
> switch-to-prev-buffer.
>
> Maintaining separate prev-history and next-history lists is not very
> Emacs-y. Why isn't this a ring?
Because `window-previous-buffers' returns a list of <buffer window-start
pos> triples where the latter two are markers and `window-next-buffers'
a plain list of buffers. Maintaining markers is expensive, so I wanted
to reduce the overhead for the next buffers part of the list.
martin
next prev parent reply other threads:[~2011-11-24 9:59 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-24 7:58 window-next-buffers Chong Yidong
2011-11-24 9:24 ` window-next-buffers Chong Yidong
2011-11-24 10:07 ` window-next-buffers martin rudalics
2011-11-24 9:59 ` martin rudalics [this message]
2011-11-24 19:00 ` window-next-buffers Juri Linkov
2011-11-25 10:15 ` window-next-buffers martin rudalics
2011-11-25 10:33 ` window-next-buffers Juri Linkov
2011-11-25 13:55 ` window-next-buffers martin rudalics
2011-11-25 15:11 ` window-next-buffers Stephen J. Turnbull
2011-11-25 16:05 ` window-next-buffers Chong Yidong
2011-11-25 19:02 ` window-next-buffers Juri Linkov
2011-11-26 6:59 ` window-next-buffers Chong Yidong
2011-11-26 11:44 ` window-next-buffers martin rudalics
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