changeset:   106331:9702c5f08df1
branch:      3.6
parent:      106327:b33c3f26eefa
parent:      106329:8c9a86aa222e
user:        Martin Panter <vadmium+py@gmail.com>
date:        Sun Jan 29 10:07:26 2017 +0000
files:       Doc/reference/expressions.rst
description:
Issues #12067: Merge hash recommendation from 3.5


diff -r b33c3f26eefa -r 9702c5f08df1 Doc/reference/expressions.rst
--- a/Doc/reference/expressions.rst	Sat Jan 28 20:16:40 2017 -0800
+++ b/Doc/reference/expressions.rst	Sun Jan 29 10:07:26 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.