Multiple-argument #() syntax.

src/koans/functions.clj

@@ -13,6 +13,9 @@
   "Or using even shorter syntax"
   (= __ (#(* 15 %) __))
 
+  "Short anonymous functions may take multiple arguments"
+  (= __ (#(+ %1 %2 %3) 4 5 6))
+
   "One function can beget another"
   (= __ ((fn []
             ((fn [a b] (__ a b))

src/path_to_answer_sheet.clj

@@ -54,6 +54,7 @@
    "functions" {"__" [20
                       10 5
                       30 2
+                      15
                       20 "*"]
                 "___" ['(fn [f] (f 5))
                        '(fn [f] 25)]}