type Holder {
    values: [3]i32,
}

pub fn main() -> Void {
    var holder: Holder = Holder { values: [1, 2, 3] }
    let filled: usize = std.mem.fillItems(holder.values[1..], 9)
    expect (filled == 2 && holder.values[1] == 9 && holder.values[2] == 9)
}