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devn/coinstar.clj

Created October 5, 2018 19:08
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coinstar.clj
(ns coinstar
(:import [java.time LocalDate]))
(def working? (constantly false))
(defn go
"Provided a `who` and `when`, returns the state of
a coinstar `when` the `who` goes to it.
Example:
(coinstar/go :i (LocalDate/now)) => false"
[who when]
{:pre [(and (= who :i)
(instance? java.time.LocalDate when))]}
(working?))
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