struct Test {
    let computed: Int
    init(a: Int, b: Int, c: Int, d: Int, e: Int = 0, f: Int = 0, g: Int = 0, h: Int = 0) {
        var value: Int = (a << 56)
        value |= (b << 48)
        value |= (c << 40)
        value |= (d << 32)
        value |= (e << 24)
        value |= (f << 16)
        value |= (g << 8)
        value |= h
        computed = value
    }
}