Custom attributes (again)

[Ary Manzana]

On 4/6/12 6:29 PM, Timon Gehr wrote:
> On 04/06/2012 12:12 PM, Walter Bright wrote:
>> On 4/6/2012 2:50 AM, Ary Manzana wrote:
>>> The syntax in Java for declaring an attribute:
>>>
>>> public @interface Foo {
>>> String xxx;
>>> int yyy;
>>> }
>>>
>>> In D maybe @interface could be used to (in order to avoid introducing
>>> another
>>> keyword... or maybe use @attribute instead):
>>>
>>> @attribute Foo {
>>> string xxx;
>>> int yyy;
>>> }
>>
>> I don't see the need for creating a new kind of symbol.
>>
>
> It would behave like a struct anyway. The issue is whether any struct
> should be allowed to be used as an attribute, or whether a runtime
> instance of an attribute can be created.
>
> Syntax could just as well be this:
>
> @attribute struct Foo {
> // ...
> }

True, I struct can be fine. And I don't see any problem in using it in 
runtime. Though I'm sure nobody would like it to remain in the obj file 
if it's only used at compile time...