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reduce should allow an accessor function to be specified
Date: Sat, 14 Nov 87 04:38:32 est
From: Mark Bromley <bromley@Think.COM>
It would be much more natural to be able to use the following
(reduce #'+ sequence :key #'car).
Several people have suggested this functionality and I think most of us
think it is reasonable. Many people also believe the :KEY is not the
right keyword for extraction on the grounds that keys are for
predicates, not for operators. We even had a naming contest for the
name of extraction keyword. I don't remember if there was a clear
I really don't know what to do with this conversation. We've been over
this about 5 times now and it seems like beating a dead horse to have
another long discussion. On the other hand, we never reached
consensus/conclusion during any of those previous attempts, so this
issue will come up again and again until the functionality exists.