Improve the OOP ABI

[Alexandru Ermicioi]

On Sunday, 14 January 2024 at 09:04:32 UTC, Walter Bright wrote:
> On 9/28/2023 5:42 AM, deadalnix wrote:
>> 1/ Downcast to final classes.
>
> This has a PR for it now.
>
> https://github.com/dlang/dmd/pull/16032

Just wondering, could a trie be used instead of hashing algorithm?

It would guarantee that no collisions would happen at all, with 
better performance than simple comparison.

Best regards,
Alexandru.