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Call 0 arity function when all arguments to ignoring-nil are nil #39

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Call 0 arity function when all arguments to ignoring-nil are nil #39

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2 changes: 1 addition & 1 deletion src/flatland/useful/fn.clj
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Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@
(f a)
(f a b))))
([a b & more]
(when-let [items (seq (remove nil? (list* a b more)))]
(let [items (seq (remove nil? (list* a b more)))]
(apply f items)))))

(defn key-comparator
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5 changes: 4 additions & 1 deletion test/flatland/useful/fn_test.clj
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Expand Up @@ -78,7 +78,10 @@
(is (= 5 (thrush 1 inc inc inc inc))))

(deftest test-ignoring-nils
(is (= 6 ((ignoring-nils +) 1 nil 2 nil nil 3))))
(is (= 6 ((ignoring-nils +) 1 nil 2 nil nil 3)))
(is (= 0 ((ignoring-nils +) nil nil)))
(is (= 0 ((ignoring-nils +) nil nil nil)))
(is (= 0 ((ignoring-nils +) nil nil nil nil))))

(deftest test-key-comparator
(let [subtract-comparator-fn-breaks-on-this [2147483650 2147483651
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