ready

src/i_am_a_horse_in_the_land_of_booleans.clj

@@ -2,27 +2,51 @@
   (:refer-clojure :exclude [boolean]))
 
 (defn boolean [x]
-  ":(")
+  (if (= x nil)
+    false
+    (if (= x false)
+       false
+       true)))
+
 
 (defn abs [x]
-  ":(")
+  (if (< x 0)
+    (* x -1)
+    x))
 
 (defn divides? [divisor n]
-  ":(")
+  (if (== (mod n divisor) 0)
+    true
+    false))
+
 
 (defn fizzbuzz [n]
-  ":(")
+  (cond
+    (divides? 15 n) "gotcha!"
+    (divides? 5 n) "buzz"
+    (divides? 3 n) "fizz"
+    :else ""))
 
 (defn teen? [age]
-  ":(")
+  (if (> age 12) (< age 20) false))
 
 (defn not-teen? [age]
-  ":(")
+  (not (teen? age)))
 
 (defn generic-doublificate [x]
-  ":(")
+  (cond
+    (number? x) (* x 2)
+    (empty? x) nil
+    (list? x) (* (count x) 2)
+    (vector? x) (* (count x) 2)
+    :else true));excercise 6, cont here
+
 
 (defn leap-year? [year]
-  ":(")
+  (cond
+    (not (divides? 4 year)) false
+    (not (divides? 100 year)) true
+    (not (divides? 400 year)) false
+    :else true))
 
 ; '_______'