Add q47

davidkun · Aug 14, 2024 · 291ff73 · 291ff73
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diff --git a/src/ex/q047.clj b/src/ex/q047.clj
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+;; https://4clojure.oxal.org/#/problem/047
+
+(ns ex.q047)
+
+(defn ans "Problem 47, Contain Yourself" [] 4)
diff --git a/test/ex/q047_test.clj b/test/ex/q047_test.clj
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+;; https://4clojure.oxal.org/#/problem/047
+
+(ns ex.q047-test
+  (:require [clojure.test :as t]
+            [ex.q047 :as sut]))
+
+(t/deftest test-q47
+  (t/testing "Problem 47, Contain Yourself"
+    (t/is (contains? #{4 5 6} (sut/ans)))
+    (t/is (contains? [1 1 1 1 1] (sut/ans)))
+    (t/is (contains? {4 :a 2 :b} (sut/ans)))
+    (t/is (not (contains? [1 2 4] (sut/ans))))))