dagop: just compare with the last value to deduplicate input of revancestors()
Since we're using a max heap, the current rev should be a duplicate only
if it equals to the previous one. We don't have to maintain the whole seen
set.
# reverse(ancestors(tip)) using hg repo
0) 0.086420
1) 0.081051
======
hgrc
======
---------------------------------
configuration files for Mercurial
---------------------------------
:Author: Bryan O'Sullivan <bos@serpentine.com>
:Organization: Mercurial
:Manual section: 5
:Manual group: Mercurial Manual
.. contents::
:backlinks: top
:class: htmlonly
Description
===========
.. include:: hgrc.5.gendoc.txt
Author
======
Bryan O'Sullivan <bos@serpentine.com>.
Mercurial was written by Matt Mackall <mpm@selenic.com>.
See Also
========
|hg(1)|_, |hgignore(5)|_
Copying
=======
This manual page is copyright 2005 Bryan O'Sullivan.
Mercurial is copyright 2005-2017 Matt Mackall.
Free use of this software is granted under the terms of the GNU General
Public License version 2 or any later version.
.. include:: common.txt