[PostGIS] #5932: Cast from TopoElement to TopoElementArray fails

[PostGIS]

#5932: Cast from TopoElement to TopoElementArray fails
---------------------+---------------------------
 Reporter:  latot    |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  medium   |  Milestone:  PostGIS 3.5.4
Component:  postgis  |    Version:  3.5.x
 Keywords:           |
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 Hi!, actually there is a mystery cast function to move from TopoElement to
 TopoElementArray, but this instead of return the right type just keeps as
 TopoElement.


 {{{
 SELECT ARRAY[1, 2]::topoelement::topoelementarray;
  array
 -------
  {1,2}
 (1 fila)
 }}}
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Ticket URL: <https://trac.osgeo.org/postgis/ticket/5932>
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