[docs] [issue34552] Clarify built-in types comparisons

Windson Yang report at bugs.python.org
Fri Aug 31 01:37:52 EDT 2018


New submission from Windson Yang <wiwindson at gmail.com>:

In https://docs.python.org/3.5/library/stdtypes.html#comparisons 

"some types (for example, function objects) support only a degenerate notion of comparison where any two objects of that type are unequal."

We had some discussion at zulipchat already:

"more seriously: I think we can just delete that sentence. The next sentence makes clear that < and friends arne't always defined, and the sentence after that notes that == defaults to is if there's nothing better." - by Nathaniel J. Smith

IMO, I think we should also clarify the relationship between "==", "is" and "__eq__".

----------
assignee: docs at python
components: Documentation
messages: 324403
nosy: Windson Yang, docs at python, gvanrossum, njs, zach.ware
priority: normal
severity: normal
status: open
title: Clarify built-in types comparisons
type: enhancement
versions: Python 2.7, Python 3.4, Python 3.5, Python 3.6, Python 3.7, Python 3.8

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue34552>
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