# HG changeset patch
# User Lucas Moscovicz <lmoscovicz@fb.com>
# Date 1394812006 25200
# Node ID e87bd3485a07f4b231febef26c6797855a64af3d
# Parent  46f93b7660b6abb7273136c099b1ff55ada85838
graphmod: changed code in dagwalker to use lazy implementations

Used lazy methods when possible.

diff -r 46f93b7660b6 -r e87bd3485a07 mercurial/graphmod.py
--- a/mercurial/graphmod.py	Fri Mar 14 08:47:57 2014 -0700
+++ b/mercurial/graphmod.py	Fri Mar 14 08:46:46 2014 -0700
@@ -34,10 +34,10 @@
         return
 
     cl = repo.changelog
-    lowestrev = min(revs)
+    lowestrev = revs.min()
     gpcache = {}
 
-    knownrevs = set(revs)
+    knownrevs = revs.set()
     for rev in revs:
         ctx = repo[rev]
         parents = sorted(set([p.rev() for p in ctx.parents()