# HG changeset patch
# User Lucas Moscovicz <lmoscovicz@fb.com>
# Date 1391037796 28800
# Node ID 4f1aed2c7a7e045245d97b43e2dc79d876ccb6f4
# Parent  ad2f1512eaa618c7f1edf21a6c563c18e5bee43b
revset: added lazyset implementation bookmark revset

diff -r ad2f1512eaa6 -r 4f1aed2c7a7e mercurial/revset.py
--- a/mercurial/revset.py	Mon Feb 03 16:02:48 2014 -0800
+++ b/mercurial/revset.py	Wed Jan 29 15:23:16 2014 -0800
@@ -391,7 +391,7 @@
             if not bmrev:
                 raise util.Abort(_("bookmark '%s' does not exist") % bm)
             bmrev = repo[bmrev].rev()
-            return baseset([r for r in subset if r == bmrev])
+            return lazyset(subset, lambda r: r == bmrev)
         else:
             matchrevs = set()
             for name, bmrev in repo._bookmarks.iteritems():
@@ -407,7 +407,7 @@
 
     bms = set([repo[r].rev()
                for r in repo._bookmarks.values()])
-    return baseset([r for r in subset if r in bms])
+    return lazyset(subset, lambda r: r in bms)
 
 def branch(repo, subset, x):
     """``branch(string or set)``