From: Tim Peters Date: Sun, 25 Aug 2002 19:50:43 +0000 (+0000) Subject: Gave __sub__/difference a factor of 2-5 speed boost. X-Git-Tag: v2.3c1~4287 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b8940393e9be5be09920f28bfea0049e4255354b;p=python Gave __sub__/difference a factor of 2-5 speed boost. --- diff --git a/Lib/sets.py b/Lib/sets.py index bf3ff4df5e..466537387a 100644 --- a/Lib/sets.py +++ b/Lib/sets.py @@ -223,9 +223,10 @@ class BaseSet(object): return NotImplemented result = self.__class__() data = result._data + otherdata = other._data value = True for elt in self: - if elt not in other: + if elt not in otherdata: data[elt] = value return result