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<link rel="stylesheet" href="../coverage.css"/> <title> the_great_game/utils.clj </title>
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001 (ns the-great-game.utils)
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002
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003 (defn cyclic?
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004 "True if two or more elements of `route` are identical"
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005 [route]
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006 (not= (count route)(count (set route))))
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007
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008 (defn deep-merge
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009 "Recursively merges maps. Stolen from
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010 https://dnaeon.github.io/recursively-merging-maps-in-clojure/"
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011 [& maps]
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012 (letfn [(m [& xs]
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013 (if (some #(and (map? %) (not (record? %))) xs)
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014 (apply merge-with m xs)
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015 (last xs)))]
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016 (reduce m maps)))
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017
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018 (defn make-target-filter
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019 "Construct a filter which, when applied to a list of maps,
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020 will pass those which match these `targets`, where each target
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021 is a tuple [key value]."
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022 ;; TODO: this would probably be more elegant as a macro
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023 [targets]
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024 (eval
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025 (list
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026 'fn
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027 (vector 'm)
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028 (cons
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029 'and
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030 (map
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031 #(list
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032 '=
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033 (list (first %) 'm)
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034 (nth % 1))
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035 targets)))))
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