fn test_main() {
    mut buf := [100]u8{}
    name(mut buf)

    mut buf2 := []u8{}
    name(mut buf2)
}

fn name[T](mut buf4 T) {
    for idx in 0 .. 100 {
        $if T is $array_fixed {
            buf4[idx] = idx
        } $else $if T is $array {
            buf4 << idx
        }
    }
    mut bp := buf4[0..5]
    assert bp.len == 5
    println(bp)

    bp = buf4[..]
    assert bp.len == 100
    println(bp)

    bp = buf4[4..]
    assert bp.len == 96
    println(bp)

    bp = buf4[1..99]
    assert bp.len == 98
    println(bp)
}