changeset:   106333:9dbb7bbc1449
parent:      106328:9e9f292c65ec
parent:      106331:9702c5f08df1
user:        Martin Panter <vadmium+py@gmail.com>
date:        Sun Jan 29 10:10:30 2017 +0000
description:
Issues #12067: Merge hash recommendation from 3.6


diff -r 9e9f292c65ec -r 9dbb7bbc1449 Doc/reference/expressions.rst
--- a/Doc/reference/expressions.rst	Sat Jan 28 20:17:07 2017 -0800
+++ b/Doc/reference/expressions.rst	Sun Jan 29 10:10:30 2017 +0000
@@ -1415,6 +1415,10 @@
   sequences, but not to sets or mappings). See also the
   :func:`~functools.total_ordering` decorator.
 
+* The :func:`hash` result should be consistent with equality.
+  Objects that are equal should either have the same hash value,
+  or be marked as unhashable.
+
 Python does not enforce these consistency rules. In fact, the not-a-number
 values are an example for not following these rules.