Annotations or custom attributes

[Alex Rønne Petersen]

On 09-03-2012 11:56, Manu wrote:
> Does D have a nice way to add annotations or custom attributes to entities?

Unfortunately, no.

>
> In Java/C# for example, it is common to annotate things with useful
> compile time information. I'd like to be able to do that in D on occasion.

Yes. This is a very needed feature.

>
> For instance, I'm serialising some struct/class using reflection to some
> text format, but there are a couple of members in a particular class
> that I don't want to be written.
> A nice solution might be that I could annotate various members:
> @DoNotSerialise int thing; ... or something along those lines, whatever
> concept you want to apply, which I could then inspect in static if()
> logic to produce some requested additional behaviour.
>
> This is a trivial example, but looking at C#/Java, you can see how many
> useful things can be done with this sort of system.
> How would it be done currently?

Probably not at all (to my knowledge anyway).

-- 
- Alex