Message 316664 - Python tracker

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Author	JelleZijlstra
Recipients	JelleZijlstra, rhettinger, stutzbach
Date	2018-05-15.15:09:27
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1526396967.72.0.682650639539.issue33519@psf.upfronthosting.co.za>
In-reply-to

Content
https://docs.python.org/3.7/library/stdtypes.html#mutable-sequence-types lists .copy() among the methods provided by mutable sequences. However, MutableSequence does not actually define .copy(): https://github.com/python/cpython/blob/master/Lib/_collections_abc.py#L945. Should we add .copy() to the ABC or remove the promise that all mutable sequences implement .copy()?

https://docs.python.org/3.7/library/stdtypes.html#mutable-sequence-types lists .copy() among the methods provided by mutable sequences. However, MutableSequence does not actually define .copy(): https://github.com/python/cpython/blob/master/Lib/_collections_abc.py#L945.

Should we add .copy() to the ABC or remove the promise that all mutable sequences implement .copy()?

History
Date	User	Action	Args
2018-05-15 15:09:27	JelleZijlstra	set	recipients: + JelleZijlstra, rhettinger, stutzbach
2018-05-15 15:09:27	JelleZijlstra	set	messageid: <1526396967.72.0.682650639539.issue33519@psf.upfronthosting.co.za>
2018-05-15 15:09:27	JelleZijlstra	link	issue33519 messages
2018-05-15 15:09:27	JelleZijlstra	create