Improve the OOP ABI

[deadalnix]

On Tuesday, 23 January 2024 at 21:37:42 UTC, Walter Bright wrote:
> On 1/23/2024 3:49 AM, Andrea Fontana wrote:
>> So probably you like xxhash128
>> 
>> https://xxhash.com/
>
> Thanks! I do, it has a 64 bit version, does anyone know what 
> the collision rate is?

For 64 bits, your best best is CRC64. However, the risk of 
collision starts to be a bit too high to rely exclusively on this.