Mutable reference to const objects

Nicholas Wilson via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Wed Jul 1 01:48:06 PDT 2015


On Wednesday, 1 July 2015 at 08:33:44 UTC, Yuxuan Shui wrote:
> On Wednesday, 1 July 2015 at 08:30:23 UTC, Yuxuan Shui wrote:
>> How do I express a mutable reference to a const object in D?
>>
>> What I want to do is to define a variable, which refers a 
>> constant object, but I can change which constant object it is 
>> referring. Is this possible?
>
> I wonder will something like:
>
> class Const(T):
>     const(T) inner;
>     alias this inner;
> }
>
> work?

You want rebindable.

see http://dlang.org/phobos/std_typecons.html


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