From: Raymond Hettinger <python@rcn.com>
Date: Mon, 20 Oct 2003 20:45:33 +0000 (+0000)
Subject: Backport 1.19:
X-Git-Tag: v2.3.3c1~125
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f5ab339a559a3771bb9293b0bdd0c8d987091888;p=thirdparty%2FPython%2Fcpython.git

Backport 1.19:

   Use 'predicate = bool' as the default predicate for ifilter[false].
---

diff --git a/Doc/lib/libitertools.tex b/Doc/lib/libitertools.tex
index dc1a77c39c8c..596406f176de 100644
--- a/Doc/lib/libitertools.tex
+++ b/Doc/lib/libitertools.tex
@@ -140,8 +140,7 @@ by functions or loops that truncate the stream.
   \begin{verbatim}
      def ifilter(predicate, iterable):
          if predicate is None:
-             def predicate(x):
-                 return x
+             predicate = bool
          for x in iterable:
              if predicate(x):
                  yield x
@@ -157,8 +156,7 @@ by functions or loops that truncate the stream.
   \begin{verbatim}
      def ifilterfalse(predicate, iterable):
          if predicate is None:
-             def predicate(x):
-                 return x
+             predicate = bool
          for x in iterable:
              if not predicate(x):
                  yield x