def h3_unidirectional_edges_from_hexagon(origin)
      max_edges = 6
      out = H3Indexes.of_size(max_edges)
      Bindings::Private.h3_unidirectional_edges_from_hexagon(origin, out)
      out.read
    end
def h3_unidirectional_edges_from_hexagon(origin)
      max_edges = 6
      out = H3Indexes.of_size(max_edges)
      Bindings::Private.h3_unidirectional_edges_from_hexagon(origin, out)
      out.read
    end
Derive unidirectional edges for a H3 index.

 @param [Integer] origin H3 index

 @example Get unidirectional indexes from hexagon
   H3.h3_unidirectional_edges_from_hexagon(612933930963697663)
   [
     1261452277305049087, 1333509871342977023, 1405567465380904959,
     1477625059418832895, 1549682653456760831, 1621740247494688767
   ]

 @return [Array<Integer>] H3 index array.