corrade-nucleus-nucleons – Blame information for rev 20
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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 20 | office | 1 | (defn parting |
| 2 | "returns a String parting in a given language" |
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| 3 | ([] (parting "World")) |
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| 4 | ([name] (parting name "en")) |
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| 5 | ([name language] |
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| 6 | ; condp is similar to a case statement in other languages. |
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| 7 | ; It is described in more detail later. |
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| 8 | ; It is used here to take different actions based on whether the |
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| 9 | ; parameter "language" is set to "en", "es" or something else. |
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| 10 | (condp = language |
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| 11 | "en" (str "Goodbye, " name) |
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| 12 | "es" (str "Adios, " name) |
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| 13 | (throw (IllegalArgumentException. |
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| 14 | (str "unsupported language " language)))))) |
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| 15 | |||
| 16 | (println (parting)) ; -> Goodbye, World |
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| 17 | (println (parting "Mark")) ; -> Goodbye, Mark |
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| 18 | (println (parting "Mark" "es")) ; -> Adios, Mark |
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| 19 | (println (parting "Mark", "xy")) ; -> java.lang.IllegalArgumentException: unsupported language xy |