conditionals done

src/koans/07_functions.clj

@@ -8,33 +8,33 @@
 
 (meditations
   "Calling a function is like giving it a hug with parentheses"
-  (= __ (square 9))
+  (= 81 (square 9))
 
   "Functions are usually defined before they are used"
-  (= __ (multiply-by-ten 2))
+  (= 20 (multiply-by-ten 2))
 
   "But they can also be defined inline"
-  (= __ ((fn [n] (* 5 n)) 2))
+  (= 10 ((fn [n] (* 5 n)) 2))
 
   "Or using an even shorter syntax"
-  (= __ (#(* 15 %) 4))
+  (= 60 (#(* 15 %) 4))
 
   "Even anonymous functions may take multiple arguments"
-  (= __ (#(+ %1 %2 %3) 4 5 6))
+  (= 15 (#(+ %1 %2 %3) 4 5 6))
 
   "Arguments can also be skipped"
-  (= __ (#(str "AA" %2) "bb" "CC"))
+  (= "AACC" (#(str "AA" %2) "bb" "CC"))
 
   "One function can beget another"
-  (= 9 (((fn [] ___)) 4 5))
+  (= 9 (((fn [] +)) 4 5))
 
   "Functions can also take other functions as input"
-  (= 20 ((fn [f] (f 4 5))
-           ___))
+  (= 20 ((fn [can-be-called-anything] (can-be-called-anything 4 5)) * )
+     )
 
   "Higher-order functions take function arguments"
-  (= 25 (___
+  (= 25 ((fn [f] (f 5))
           (fn [n] (* n n))))
 
   "But they are often better written using the names of functions"
-  (= 25 (___ square)))
+  (= 25 ((fn [f] (f 5)) square)))

src/koans/08_conditionals.clj

@@ -10,38 +10,38 @@
 
 (meditations
   "You will face many decisions"
-  (= __ (if (false? (= 4 5))
+  (= :a (if (false? (= 4 5))
           :a
           :b))
 
   "Some of them leave you no alternative"
-  (= __ (if (> 4 3)
+  (= [] (if (> 4 3)
           []))
 
   "And in such a situation you may have nothing"
-  (= __ (if (nil? 0)
+  (= nil (if (nil? 0)
           [:a :b :c]))
 
   "In others your alternative may be interesting"
   (= :glory (if (not (empty? ()))
               :doom
-              __))
+              :glory))
 
   "You may have a multitude of possible paths"
   (let [x 5]
-    (= :your-road (cond (= x __) :road-not-taken
-                        (= x __) :another-road-not-taken
-                        :else __)))
+    (= :your-road (cond (= x 3) :road-not-taken
+                        (= x 4) :another-road-not-taken
+                        :else :your-road)))
 
   "Or your fate may be sealed"
-  (= 'doom (if-not (zero? __)
+  (= 'doom (if-not (zero? 3)
           'doom
           'more-doom))
 
   "In case of emergency, go fast"
   (= "pretty fast"
-     (explain-exercise-velocity __))
+     (explain-exercise-velocity :bicycling))
 
   "But admit it when you don't know what to do"
-  (= __
+  (= "is that even exercise?"
      (explain-exercise-velocity :watching-tv)))