Eval optimization! Tests for demos
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@ -4,7 +4,7 @@
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-- NOTICE: This demo relies on tricu base library functions
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--
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-- We model labelled binary trees as sublists where values act as labels. We
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-- require explicit notation of empty nodes. Empty nodes can be represented
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-- require explicit not?ation of empty nodes. Empty nodes can be represented
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-- with an empty list, `[]`, which is equivalent to a single node `t`.
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--
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-- Example tree inputs:
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@ -19,33 +19,33 @@
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label = (\node : head node)
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left = (\node : if (emptyList node)
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left = (\node : if (emptyList? node)
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[]
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(if (emptyList (tail node))
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(if (emptyList? (tail node))
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[]
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(head (tail node))))
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right = (\node : if (emptyList node)
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right = (\node : if (emptyList? node)
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[]
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(if (emptyList (tail node))
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(if (emptyList? (tail node))
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[]
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(if (emptyList (tail (tail node)))
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(if (emptyList? (tail (tail node)))
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[]
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(head (tail (tail node))))))
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processLevel = y (\self queue : if (emptyList queue)
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processLevel = y (\self queue : if (emptyList? queue)
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[]
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(pair (map label queue) (self (filter
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(\node : not (emptyList node))
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(\node : not? (emptyList? node))
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(lconcat (map left queue) (map right queue))))))
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levelOrderTraversal_ = (\a : processLevel (t a t))
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toLineString = y (\self levels : if (emptyList levels)
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toLineString = y (\self levels : if (emptyList? levels)
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""
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(lconcat
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(lconcat (map (\x : lconcat x " ") (head levels)) "")
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(if (emptyList (tail levels)) "" (lconcat (t (t 10 t) t) (self (tail levels))))))
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(if (emptyList? (tail levels)) "" (lconcat (t (t 10 t) t) (self (tail levels))))))
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levelOrderToString = (\s : toLineString (levelOrderTraversal_ s))
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