On 1 Feb 2013 13:22, "ezio.melotti" wrote:

http://hg.python.org/cpython/rev/79a021beaf58 changeset: 81861:79a021beaf58 branch: 2.7 parent: 81859:8ee6d96a1019 user: Ezio Melotti date: Fri Feb 01 05:18:44 2013 +0200 summary: #16128: clarify that instances of user-defined classes compare equal

with themselves.

files: Doc/glossary.rst | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/Doc/glossary.rst b/Doc/glossary.rst --- a/Doc/glossary.rst +++ b/Doc/glossary.rst @@ -330,7 +330,8 @@ All of Python's immutable built-in objects are hashable, while no

mutable

containers (such as lists or dictionaries) are. Objects which are instances of user-defined classes are hashable by default; they all - compare unequal, and their hash value is their :func:`id`. + compare unequal (except with themselves), and their hash value is

their

+ :func:`id`.

The hash(x) == id(x) behaviour is a CPython implementation detail. It shouldn't be mentioned here.

IDLE An Integrated Development Environment for Python. IDLE is a basic

editor

-- Repository URL: http://hg.python.org/cpython

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