short[][] (Groovy JDK enhancements)

Package:

## Class short[][]

- - ### Methods Summary

    Methods
    Return type | Name and parameters
    --- | ---
    `List` | `flatten()` Flattens a 2D array into a new collection.
    `short[][]` | `transpose()` A transpose method for 2D short arrays.

- - ### Methods Detail

    - #### public List flatten()

      Flattens a 2D array into a new collection. The items are copied row by row.

      Example usage:

          short[][] array = [[0, 1], [2, 3]]
          assert array.flatten() == [0, 1, 2, 3]

      Returns:
        a Collection of the array elements
      Since:
        5.0.0

    - #### public short[][] transpose()

      A transpose method for 2D short arrays.

      Example usage:

          short[][] shorts = [[1, 10], [100, 1000]]
          short[][] expected = [[1, 100], [10, 1000]]
          def result = shorts.transpose()
          assert result == expected
          assert shorts.class.componentType == result.class.componentType

      Returns:
        the transposed 2D short array
      Since:
        5.0.0