def main()
    ints := [10, 20, 30]
    say "$(typeof ints) $ints"

    ints := [10:Int32, 20:Int32, 30:Int32]
    say "$(typeof ints) $ints"

    ints := [10:Int16, 20:Int16, 30:Int16]
    say "$(typeof ints) $ints"

    bools := [yes, no, yes, no]
    say "$(typeof bools) $bools"