{
  "name": "disjoint",
  "type": "function",
  "description": "Tests whether geometries do not spatially intersect. Returns true if the geometries do not share any space together.",
  "arguments": [ {"arg":"geometry a","description":"a geometry"},
                 {"arg":"geometry b","description":"a geometry"}],
  "examples": [ { "expression":"disjoint( geom_from_wkt( 'POLYGON((0 0, 0 1, 1 1, 1 0, 0 0 ))' ), geom_from_wkt( 'LINESTRING(3 3, 4 4, 5 5)' ) )", "returns":"true"},
  { "expression":"disjoint( geom_from_wkt( 'LINESTRING(3 3, 4 4, 5 5)' ), geom_from_wkt( 'POINT(4 4)' ))", "returns":"false"}
  ]
}