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Update 04_vectors.clj

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brannx 2018-03-15 15:27:15 +03:00 committed by GitHub
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src/koans/04_vectors.clj
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@ -2,32 +2,32 @@
(:require [koan-engine.core :refer :all])) (:require [koan-engine.core :refer :all]))
(meditations (meditations
"You can use vectors in clojure as array-like structures" "Векторы в Clojure похожи на массивы"
(= __ (count [42])) (= __ (count [42]))
"You can create a vector from a list" "Можно их содать из списка"
(= __ (vec '(1))) (= __ (vec '(1)))
"Or from some elements" "Или из ничего"
(= __ (vector nil nil)) (= __ (vector nil nil))
"But you can populate it with any number of elements at once" "Число элементов — ваше дело"
(= [1 __] (vec '(1 2))) (= [1 __] (vec '(1 2)))
"Conjoining to a vector is different than to a list" "Добавляем элемент, помним что вектор «похож» на массив"
(= __ (conj [111 222] 333)) (= __ (conj [111 222] 333))
"You can get the first element of a vector like so" "Получаем первый элемент"
(= __ (first [:peanut :butter :and :jelly])) (= __ (first [:peanut :butter :and :jelly]))
"And the last in a similar fashion" "Последний элемент"
(= __ (last [:peanut :butter :and :jelly])) (= __ (last [:peanut :butter :and :jelly]))
"Or any index if you wish" "Да какой угодно элемент"
(= __ (nth [:peanut :butter :and :jelly] 3)) (= __ (nth [:peanut :butter :and :jelly] 3))
"You can also slice a vector" "Нарезаем вектор"
(= __ (subvec [:peanut :butter :and :jelly] 1 3)) (= __ (subvec [:peanut :butter :and :jelly] 1 3))
"Equality with collections is in terms of values" "Коллекции сравниваются по их элементам"
(= (list 1 2 3) (vector 1 2 __))) (= (list 1 2 3) (vector 1 2 __)))