# HG changeset patch
# User Lucas Moscovicz <lmoscovicz@fb.com>
# Date 1391704315 28800
# Node ID c38e5556d87b0bd3a0d3b3348530ca5b0e8204f6
# Parent  80628d4069be724089ea487a300d62f4cbd8970d
revset: added lazyset implementation to closed revset

diff -r 80628d4069be -r c38e5556d87b mercurial/revset.py
--- a/mercurial/revset.py	Fri Jan 31 01:12:35 2014 -0800
+++ b/mercurial/revset.py	Thu Feb 06 08:31:55 2014 -0800
@@ -522,7 +522,7 @@
     """
     # i18n: "closed" is a keyword
     getargs(x, 0, 0, _("closed takes no arguments"))
-    return baseset([r for r in subset if repo[r].closesbranch()])
+    return lazyset(subset, lambda r: repo[r].closesbranch())
 
 def contains(repo, subset, x):
     """``contains(pattern)``