Author rhettinger
Recipients brett.cannon, gvanrossum, rhettinger
Date 2016-07-23.20:32:14
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Does all of the recognition patterns in also need to be in 

AFAICT, the current classes for Sized, Iterable, and Container almost never get used (possibly because they don't provide any useful mixin methods).  In the interest of maximizing the ratio of useful ABCs (like MutableMapping), could we defer expanding until we've seen some real use cases?
Date User Action Args
2016-07-23 20:32:15rhettingersetrecipients: + rhettinger, gvanrossum, brett.cannon
2016-07-23 20:32:15rhettingersetmessageid: <>
2016-07-23 20:32:15rhettingerlinkissue27598 messages
2016-07-23 20:32:14rhettingercreate