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specter 2020-08-18
Assuming that we have a vector of hashmaps containing addresses, how to use specter to group them by :country, then by :city ?
(I could do it without specter, but I am curious)
(specter/select [(specter/transformed [] (partial group-by :country))
(specter/transformed [specter/MAP-VALS] (partial group-by :city))]
addresses)(i'm kind of new, so maybe there is a smarter way)
I noticed the s/view that could be used instead of s/transformed