func `shl`[T: SomeInteger](x: Int128; y: T): Int128 {.inline.}

func `shl`[T: SomeInteger](x: UInt128; y: T): UInt128 {.inline.}

func `shr`[T: SomeInteger](x: Int128; y: T): Int128 {.inline.}

func `shr`[T: SomeInteger](x: UInt128; y: T): UInt128 {.inline.}