@[Drop]
struct Buffer {
    ptr: *int
}

func Buffer_Drop(self: *Buffer) {
    bux_free(self.ptr as *void);
}

func main() -> int {
    let buf: Buffer = Buffer { ptr: bux_alloc(10 as uint * sizeof(int)) as *int };

    // Buffer should be auto-dropped here via Buffer_Drop(&buf)
    return 0;
}