gistfile1.clj

; What function can I put as FOO here to yield true 
;   Tried: hash-set, conj, concat

(defn mergeMatches [propertyMapList]
	"Take a list of maps and merges them combining values into a set"
	(reduce #(merge-with FOO %1 %2) {} propertyMapList))
	
(def in 
	(list
		{:a 1}
		{:a 2}
		{:a 3}
		{:b 4}
		{:b 5}
		{:b 6} ))
		
(def out
	{ :a #{ 1 2 3}
	  :b #{ 4 5 6} })
	  
; this should return true
(= (mergeMatches in) out)