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The function take_branch looks for the subtree of .tree whose root is the node identified by .node.
take_branch
.tree
.node
take_branch(.tree, .node)# S3 method for rtree take_branch(.tree, .node)take_node(.node, .tree)
# S3 method for rtree take_branch(.tree, .node)
take_node(.node, .tree)
A tree.
A node of .tree.