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clj_haikunator.clj
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clj_haikunator.clj
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(ns clj-haikunator
(:import java.security.SecureRandom))
(def adjectives
["aged"
"ancient"
"autumn"
"billowing"
"bitter"
"black"
"blue"
"bold"
"broken"
"cold"
"cool"
"crimson"
"damp"
"dark"
"dawn"
"delicate"
"divine"
"dry"
"empty"
"falling"
"floral"
"fragrant"
"frosty"
"green"
"hidden"
"holy"
"icy"
"late"
"lingering"
"little"
"lively"
"long"
"misty"
"morning"
"muddy"
"nameless"
"old"
"patient"
"polished"
"proud"
"purple"
"quiet"
"red"
"restless"
"rough"
"shy"
"silent"
"small"
"snowy"
"solitary"
"sparkling"
"spring"
"still"
"summer"
"thrumming"
"twilight"
"wandering"
"weathered"
"white"
"wild"
"winter"
"wispy"
"withered"
"young"])
(def nouns
["bird"
"breeze"
"brook"
"bush"
"butterfly"
"cherry"
"cloud"
"darkness"
"dawn"
"dew"
"dream"
"dust"
"feather"
"field"
"fire"
"firefly"
"flower"
"fog"
"forest"
"frog"
"frost"
"glade"
"glitter"
"grass"
"haze"
"hill"
"lake"
"leaf"
"meadow"
"mint"
"moon"
"morning"
"mountain"
"night"
"paper"
"pine"
"pond"
"rain"
"resonance"
"river"
"sea"
"shadow"
"shape"
"silence"
"sky"
"smoke"
"snow"
"snowflake"
"sound"
"star"
"sun"
"sun"
"sunset"
"surf"
"thunder"
"tree"
"violet"
"voice"
"water"
"water"
"waterfall"
"wave"
"wildflower"
"wind"])
(def secure-random (SecureRandom.))
(defn ^Long secure-rand-int [^Long n]
(int
(* n (.nextDouble secure-random))))
(defn choice [xs]
(if (seq xs)
(nth xs (secure-rand-int (count xs)))
nil))
(defn ^String haikunate
([] (haikunate 9999 "-"))
([^Long max-number] (haikunate max-number nil))
([^Long max-number
{:keys [adjectives delimiter nouns]
:or {adjectives adjectives
delimiter "-"
nouns nouns}}]
(if (zero? max-number)
(str (choice adjectives) delimiter (choice nouns))
(str (choice adjectives) delimiter (choice nouns)
delimiter (secure-rand-int (inc max-number))))))