Just curious: who do know current purity rules?

[deadalnix via Digitalmars-d]

On Friday, 6 June 2014 at 19:32:17 UTC, Denis Shelomovskij wrote:
> 06.06.2014 13:05, Kagamin пишет:
>> Do you mean true purity rules or whatever is implemented in 
>> the compiler?
>
> "whatever is implemented". )

Do someone know whatever is implemented ? I certainly don't.