Custom attributes (again)

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Thu Apr 5 11:05:49 PDT 2012


On 4/5/12 12:44 PM, deadalnix wrote:
> Le 05/04/2012 19:35, Walter Bright a écrit :
>> On 4/5/2012 5:00 AM, Manu wrote:
>>> C# and Java both have attributes, following these established design
>>> patterns, I
>>> don't think there should be any mystery over how they should be
>>> implemented.
>>
>> At the Lang.NEXT conference over the last 3 days, I was able to talk to
>> many smart people about attributes. But I did find some confusion - are
>> they best attached to the variable/function (i.e. "storage class"), or
>> attached to the type ("type constructor")? I think the former. Attaching
>> it to the type leads to all sorts of semantic issues.
>>
>> From your list of uses, it looks like attaching it to the variable or
>> function is an apropos solution.
>
> They should be attached to declarations.

The question was whether the declaration affects the type of the 
declared or not.

Andrei


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