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(let [{: head} (require :lib.head)
{: describe :end test-end} (require :lib.test)]
(describe "head()" (fn [t]
(t {:given "a list of elements"
:should "returns the first element of a list"
:expected :apple
:actual (head [:apple :orange :pear])})
(t {:given "an empty list"
:should "returns an empty list"
:expected 0
:actual (length (head []))})
(test-end))))
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