[Python-checkins] r71653 - python/trunk/Doc/library/functions.rst

raymond.hettinger python-checkins at python.org
Thu Apr 16 20:16:10 CEST 2009


Author: raymond.hettinger
Date: Thu Apr 16 20:16:10 2009
New Revision: 71653

Log:
Clarify the behavior of any() and all() with an empty iterable.

Modified:
   python/trunk/Doc/library/functions.rst

Modified: python/trunk/Doc/library/functions.rst
==============================================================================
--- python/trunk/Doc/library/functions.rst	(original)
+++ python/trunk/Doc/library/functions.rst	Thu Apr 16 20:16:10 2009
@@ -17,7 +17,8 @@
 
 .. function:: all(iterable)
 
-   Return True if all elements of the *iterable* are true. Equivalent to::
+   Return True if all elements of the *iterable* are true (or if the iterable
+   is empty).  Equivalent to::
 
       def all(iterable):
           for element in iterable:
@@ -30,7 +31,8 @@
 
 .. function:: any(iterable)
 
-   Return True if any element of the *iterable* is true. Equivalent to::
+   Return True if any element of the *iterable* is true.  If the iterable
+   is empty, return False.  Equivalent to::
 
       def any(iterable):
           for element in iterable:


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