Can change vtbl record at runtime ?

[evilrat]

On Wednesday, 3 February 2021 at 08:26:05 UTC, Max Haughton wrote:
> On Wednesday, 3 February 2021 at 05:30:37 UTC, Виталий Фадеев 
> wrote:
>> Possible to change the vtbl record at runtime ?
>> Has functional for update vtbl records ?
>
> Do you mean "Can I set onSuccess" at runtime? The virtual 
> tables are relied upon by the compiler so I wouldn't play with 
> them.

Not to mention that compiler can optimize away virtual calls if 
it can determine final type on call site.