What guarantees does D 'const' provide, compared to C++?

[Mehrdad]

On Friday, 17 August 2012 at 02:09:09 UTC, Mehrdad wrote:
> On Friday, 17 August 2012 at 02:02:56 UTC, Jonathan M Davis 
> wrote:
>> How is it a bug? The variable that you're altering is not part 
>> of the object.
>
>
> It doesn't need to be.


Not to say it /can't/ be, of course... a const method can 
certainly legally modify its own object's members. All you need 
is some aliasing.

http://forum.dlang.org/thread/gjccnstbihxbrwhwwucs@forum.dlang.org?page=3#post-mailman.1286.1345168975.31962.digitalmars-d:40puremagic.com