Function siblings

siblings<T>(node): IterableIterator<TraversableTree<T>>
Iterates over siblings of node.

Other iteration options:
- breadthFirst: Children, breadth-first
- depthFirst: Children, depth-first
- parents: Chain of parents, starting with immediate parent
- siblings: Nodes with same parent
Type Parameters
- T
Parameters
- node: TraversableTree<T>
  Node to begin from
Returns IterableIterator<TraversableTree<T>>