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cascalog.logic.zip
cascalog-zipclj
(cascalog-zip root)Returns a zipper for cascalog nodes, given a root sequence
Returns a zipper for cascalog nodes, given a root sequence
leftmost-descendantclj
(leftmost-descendant loc)Given a zipper loc, returns its leftmost descendent (ie, down repeatedly).
Given a zipper loc, returns its leftmost descendent (ie, down repeatedly).
my-nextclj
(my-next loc)Moves to the next loc in the hierarchy in postorder traversal. Behaves like clojure.zip/next otherwise. Note that unlike with a pre-order walk, the root is NOT the first element in the walk order, so be sure to take that into account in your algorithm if it matters (ie, call leftmost-descendant first thing before processing a node).
Moves to the next loc in the hierarchy in postorder traversal. Behaves like clojure.zip/next otherwise. Note that unlike with a pre-order walk, the root is NOT the first element in the walk order, so be sure to take that into account in your algorithm if it matters (ie, call leftmost-descendant first thing before processing a node).
postwalk-editclj
(postwalk-edit zipper matcher editor & {:keys [encoder] :or {encoder identity}})TreeNodecljprotocol
branch?clj
(branch? node)Is it possible for node to have children?
Is it possible for node to have children?
childrenclj
(children node)Return children of this node.
Return children of this node.
make-nodeclj
(make-node node children)Makes new node from existing node and new children.
Makes new node from existing node and new children.
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