code: def map_is_in_fov(m: tcod.map.Map, x: int, y: int) -> bool:
      
      return bool(lib.TCOD_map_is_in_fov(m.map_c, x, y))
docs: Return True if the cell at x,y is lit by the last field-of-view
      algorithm.
  
      .. note::
          This function is slow.
      .. deprecated:: 4.5
          Use :any:`tcod.map.Map.fov` to check this property.