Message 358719 - Python tracker

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Author	murali
Recipients	docs@python, murali
Date	2019-12-20.16:42:55
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1576860176.18.0.619926767128.issue39111@roundup.psfhosted.org>
In-reply-to

Content
The documentation at https://docs.python.org/3.6/library/constants.html#NotImplemented states If all attempts return NotImplemented, the interpreter will raise an appropriate exception. However this is not true for __eq__. === class Foo: def __eq__(self, other): return NotImplemented Foo() == Foo() # returns False, does not throw an exception ====

The documentation at https://docs.python.org/3.6/library/constants.html#NotImplemented states

If all attempts return NotImplemented, the interpreter will raise an appropriate exception. However this is not true for __eq__.

===
class Foo:
  def __eq__(self, other):
    return NotImplemented

Foo() == Foo() # returns False, does not throw an exception
====

History
Date	User	Action	Args
2019-12-20 16:42:56	murali	set	recipients: + murali, docs@python
2019-12-20 16:42:56	murali	set	messageid: <1576860176.18.0.619926767128.issue39111@roundup.psfhosted.org>
2019-12-20 16:42:56	murali	link	issue39111 messages
2019-12-20 16:42:55	murali	create