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    Function tryNext

    • Navigate from a node to its next sibling or return Option.none if the focused node is the last node in its forest.

      See next for an unsafe version.

      Type Parameters

      • A

        The underlying type of the tree.

      Parameters

      Returns Option<Zipper.Zipper<A>>

      An updated zipper pointing at a new focus or Option.none() if there is no next sibling.