AA with class keys compared with identity instead of opEquals

[Ferhat Kurtulmuş]

On Sunday, 27 September 2020 at 18:39:10 UTC, Per Nordlöw wrote:
> How do I defined an AA with class as key where keys are 
> compared using `is` instead of `opEquals`? Do I have to store 
> the key as a `void*`?

By looking at object.d and aaA.d of druntime, I d say you don't 
need to use void*. Object class has required infrastructure ready 
for using classes aa keys (have not tried though). Object class 
has both toHash and opEquals already implemented.