Day of the week: Difference between revisions

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 Utilizing Java interop
-<syntaxhighlight lang="clojure">
+<syntaxhighlight lang="clojure">(import '[java.util GregorianCalendar])
-(import '(java.util GregorianCalendar))
 (defn yuletide [start end]
+  (->> (range start (inc end))
-	    (filter #(= (. (new GregorianCalendar %
+       (filter #(= GregorianCalendar/SUNDAY
-			 (. GregorianCalendar DECEMBER) 25) get (. GregorianCalendar DAY_OF_WEEK))
+                   (.get (GregorianCalendar. % GregorianCalendar/DECEMBER 25)
-		 (. GregorianCalendar SUNDAY)) (range start (inc end))))
+                         GregorianCalendar/DAY_OF_WEEK)))))
-(yuletide 2008 2121)
+(println (yuletide 2008 2121))
 </syntaxhighlight>
+{{out}}
 <pre>(2011 2016 2022 2033 2039 2044 2050 2061 2067 2072 2078 2089 2095 2101 2107 2112 2118)</pre>