hello,
How to group a collection of maps by multiple keys?
For example
(def m1 [{:a 1 :b 2 :c 3}{:a 1 :b 2 :c 4}{:a 1 :b 4 :c 3}{:a 1 :b 4 :c
3}])
(group-by-x [:a :b] m1)
I'd it like to return this:
[{:a 1 :b 2}[{:a 1 :b 2 :c 3}{:a 1 :b 2 :c 4}], {:a 1 :b 4}[{:a 1 :b
4 :c 3}{:a 1 :b 4 :c 3}]]
Thanks. R.
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