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apply a function to an element and the next element of it in a sequence
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| (require '[clojure.test :refer (with-test are run-tests)]) | |
| (with-test | |
| (defn map-between [f s] | |
| (map (fn [[a b]] (f a b)) (partition 2 1 s))) | |
| (are [f s _ r] (= (map-between f s) r) | |
| #(- %2 %1) '() -> '() | |
| #(- %2 %1) '(0) -> '() | |
| #(- %2 %1) '(0 1) -> '(1) | |
| #(- %2 %1) '(0 1 4) -> '(1 3) | |
| #(- %2 %1) '(0 1 4 9) -> '(1 3 5))) |
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元ネタはこちら