In-reply-to: Msg of 24 Jul 1986 00:23-EDT from NGALL at G.BBN.COM
Does anybody else wish that REDUCE took a KEY argument, similarly to MEMBER.
i.e.
(reduce #'+ list-of-objects :KEY #'object-quantity)
would apply the function OBJECT-QUANTITY to each element of the
list-of-objects before reducing it with +.
Andrew