DIP6: Attributes

[Max Samukha]

On Sat, 01 Aug 2009 15:24:26 -0700, Robert Fraser
<fraserofthenight at gmail.com> wrote:

>Ary Borenszweig wrote:
>> http://www.prowiki.org/wiki4d/wiki.cgi?LanguageDevel/DIPs/DIP6
>
>I think annotations are a good idea, but turning keywords already in the 
>language into annotations seems kinda pointless & would kill backwards 
>compatibility. In C#/Java some things are modifiers while others are 
>annotations -- and with good reason.
>
>IMO, the focus of annotations should be mostly on things _external_ to 
>the compiler. So, serializability, thread safety, etc. Really, I think 
>annotations should be for compile-time reflection (so like someone else 
>said __traits(annotations, symbol) should return a tuple of annotation 
>structs.

Please not a tuple of structs but a tuple of tuples. One should be
able to specify types and aliases as annotation parameters.