Returns true if x implements IPersistentSet
user> (set? #{1 2 3}) true user> (set? (hash-set 1 2 3)) true user> (set? (sorted-set 1 2 3)) true user> (set? [1 2 3]) false user> (set? {:a 1 :b 2}) false
Returns a set of the distinct elements of coll.
Return true if x implements IPersistentMap
Return true if x implements IPersistentVector
set?
