#[extern("vm")] fn vm_printf(fmt: *u8, ...) void;

type Point = struct {
    x: i32,
    y: i32,
}

pub fn main() void {
    var arr: [3]i32 = [3]i32{1, 2, 3};
    vm_printf("%d\n", arr[0] + arr[2]);

    var arr: [5]i32 = [5]i32{10, 20, 30, 40, 50};
    var slice: []i32 = arr[1..4];  // 20,30,40
    vm_printf("%d %d\n", slice.len, slice[0]);
    ret;
}