Add q9

davidkun · Jul 20, 2024 · d467425 · d467425
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diff --git a/src/ex/q009.clj b/src/ex/q009.clj
@@ -0,0 +1,8 @@
+;; https://4clojure.oxal.org/#/problem/009
+
+(ns ex.q009)
+
+(defn ans
+  "Problem 9, conj on sets"
+  []
+  (conj #{1 4 3} 2))
diff --git a/test/ex/q009_test.clj b/test/ex/q009_test.clj
@@ -0,0 +1,9 @@
+;; https://4clojure.oxal.org/#/problem/009
+
+(ns ex.q009-test
+  (:require [clojure.test :as t]
+            [ex.q009 :as sut]))
+
+(t/deftest test-q9
+  (t/testing "Problem 9, conj on sets"
+    (t/is (= #{1 2 3 4} (sut/ans)))))