C++-style mutable members

[Nordlöw via Digitalmars-d-learn]

On Tuesday, 17 January 2017 at 20:47:35 UTC, ketmar wrote:
>> Is there a way to mimic C++-style `mutable` members in D?
> sure: don't use `const`. otherwise — no, there is simply no way 
> to «mimic» 'em due to completely different meaning of `const` 
> in D and C++.

I'm aware of the difference. I'm just making sure there are no 
ways out of the type system ;)