DIP6: Attributes

[Robert Fraser]

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.