on init
  declare $foo := 7

  { you can also use parentheses, i.e.:  select ($foo) }
  select $foo
    case 0
      message("unary select case does not work!")
    case 6
      message("unary select case does not work!")
    case 7
      message("unary select case works.")
    case 8
      message("unary select case does not work!")
  end select

  select $foo
    case 0 to 4
      message("range select case does not work!")
    case 10 to 12
      message("range select case does not work!")
    case 5 to 9
      message("range select case works.")
  end select
end on