[issue22101] collections.abc.Set doesn't provide copy() method

Guido van Rossum added the comment: You need to learn when to give up. :-) I wasn't the one who added a copy() method to other containers. I personally despise almost all uses of "copying" (including the entire copy module, both deep and shallow copy functionality). I much prefer to write e.

[issue22101] collections.abc.Set doesn't provide copy() method

Akira Li added the comment: > I don't think this is needed nor do I think that it is a good idea to > have a copy() method in the ABCs because they know so little about > their concrete underlying class (perhaps the backing store in the > filesystem or a database). Besides, a user already has wo

[issue22101] collections.abc.Set doesn't provide copy() method

Guido van Rossum added the comment: Agreed with Raymond. The return type of copy() for ABCs feels problematic. MutableMapping doesn't have it either. -- ___ Python tracker ___

[issue22101] collections.abc.Set doesn't provide copy() method

Raymond Hettinger added the comment: I don't think this is needed nor do I think that it is a good idea to have a copy() method in the ABCs because they know so little about their concrete underlying class (perhaps the backing store in the filesystem or a database). Besides, a user already h

[issue22101] collections.abc.Set doesn't provide copy() method

Changes by Antoine Pitrou : -- nosy: +serhiy.storchaka ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://

[issue22101] collections.abc.Set doesn't provide copy() method

Changes by Antoine Pitrou : -- nosy: +gvanrossum, rhettinger ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: ht

[issue22101] collections.abc.Set doesn't provide copy() method

New submission from Akira Li: The documentation for standard types says [1]: clear() and copy() are included for consistency with the interfaces of mutable containers that don’t support slicing operations (such as dict and set) New in version 3.3: clear() and copy() methods. [1] https: