27 lines
723 B
Clojure
27 lines
723 B
Clojure
(meditations
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"You can use vectors in clojure to create an 'Array' like structure"
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(= __ (.size (vec nil)))
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"You can create a vector in two ways"
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(= [] (vec nil))
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"And populate it in either of these ways"
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(= [1] (vec '(1)))
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"But you can populate it with any number of elements at once"
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(= [1 __] (vec '(1 2)))
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"And add to it as well"
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(= __ (conj (vec nil) 333))
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"You can get the first element of a vector like so"
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(= :peanut (first [:peanut :butter :and :jelly]))
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"And the last in a similar fashion"
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(= __ (last [:peanut :butter :and :jelly]))
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"Or any index if you wish"
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(= __ (nth [:peanut :butter :and :jelly] 3))
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"You can also slice a vector"
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(= __ (subvec [:peanut :butter :and :jelly] 1 3))) |