Author: Lukas Diekmann <[email protected]>
Branch: set-strategies
Changeset: r49215:2cedb79b6ae1
Date: 2011-10-11 14:02 +0200
http://bitbucket.org/pypy/pypy/changeset/2cedb79b6ae1/
Log: we do not enforce EmptySetStrategy for empty sets
diff --git a/pypy/objspace/std/setobject.py b/pypy/objspace/std/setobject.py
--- a/pypy/objspace/std/setobject.py
+++ b/pypy/objspace/std/setobject.py
@@ -178,7 +178,6 @@
class EmptySetStrategy(SetStrategy):
- # XXX rename everywhere to erase and unerase
erase, unerase = rerased.new_erasing_pair("empty")
erase = staticmethod(erase)
unerase = staticmethod(unerase)
@@ -240,11 +239,8 @@
return False
def equals(self, w_set, w_other):
- # XXX can't this be written as w_other.strategy is self?
- if w_other.strategy is self.space.fromcache(EmptySetStrategy):
+ if w_other.strategy is self or w_other.length() == 0:
return True
- # XXX let's not enforce the use of the EmptySetStrategy for empty sets
- # similar to what we did for lists
return False
def difference(self, w_set, w_other):
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