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Former-commit-id: bdede6ed1b6f578f2ef046c338caf02d0b29d453 [formerly 7187de361b53e9c8ec121df379b762f2db736ea2] Former-commit-id: 447d58460fbbfd05ffe08428a1288e392637561d
19 lines
794 B
Clojure
19 lines
794 B
Clojure
(defn parting
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"returns a String parting in a given language"
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([] (parting "World"))
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([name] (parting name "en"))
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([name language]
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; condp is similar to a case statement in other languages.
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; It is described in more detail later.
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; It is used here to take different actions based on whether the
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; parameter "language" is set to "en", "es" or something else.
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(condp = language
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"en" (str "Goodbye, " name)
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"es" (str "Adios, " name)
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(throw (IllegalArgumentException.
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(str "unsupported language " language))))))
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(println (parting)) ; -> Goodbye, World
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(println (parting "Mark")) ; -> Goodbye, Mark
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(println (parting "Mark" "es")) ; -> Adios, Mark
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(println (parting "Mark", "xy")) ; -> java.lang.IllegalArgumentException: unsupported language xy |