RosettaCodeData/Task/Tree-traversal/APL/tree-traversal-1.apl

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APL
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2017-09-23 10:01:46 +02:00
preorder {l r (r)(×r)(l)(×l) }
inorder {l r (r)(×r) (l)(×l)}
postorder {l r (r)(×r)(l)(×l)}
lvlorder {0=: (/(),)(,/)2¨}