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Author Dennis Sweeney
Recipients Dennis Sweeney, kubataytekin
Date 2021-10-01.19:24:18
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Message-id <1633116258.71.0.808326775891.issue45338@roundup.psfhosted.org>
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How is Counter(numbers, key=abs) any better than Counter(map(abs, numbers))?

It seems to me that "apply a function to each thing" (map) and "count the numbers of each thing" (Counter) are two orthogonal concepts, and there's no reason to entangle them. Their composition as "count the number of things with each function value" is probably better as a composition of two simple things rather than lumped together. I believe this is related to why PEP 455 was rejected.
History
Date User Action Args
2021-10-01 19:24:18Dennis Sweeneysetrecipients: + Dennis Sweeney, kubataytekin
2021-10-01 19:24:18Dennis Sweeneysetmessageid: <1633116258.71.0.808326775891.issue45338@roundup.psfhosted.org>
2021-10-01 19:24:18Dennis Sweeneylinkissue45338 messages
2021-10-01 19:24:18Dennis Sweeneycreate