How to subset a map in clojure?

Question

What is the idiomatic clojure for subset:

user=> (subset [:a :b] {:a 1 :b 2 :c 3})
{:a 1 :b 2}

Thanks.

Answer 1

You are looking for the select-keys function:

user=>  (select-keys {:a 1 :b 2 :c 3} [:a :b])
{:b 2, :a 1}