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Optimise topo-sort. #10

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Optimise topo-sort. #10

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6 changes: 5 additions & 1 deletion src/com/stuartsierra/dependency.cljc
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Original file line number Diff line number Diff line change
Expand Up @@ -143,7 +143,11 @@
[add g]))]
(recur (cons node sorted)
(remove-node g' node)
(clojure.set/union (set more) (set add)))))))
;; NOTE: dep/topo-sort:master creates set from more and add
;; this seems to take much longer than a simple union
;; on more and add.
;; more and add are guaranteed to be sets by the above code.
(clojure.set/union more add))))))

(def ^:private max-number
#?(:clj Long/MAX_VALUE
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