RFC: DIP draft for "Compiler-defined Attribute Consistency"

[rikki cattermole]

On 16/07/2021 7:26 AM, Rune Morling wrote:
> 
> Is e.g. `@+myuda`, `@-myuda` or `@_myuda` legal?

_ may be in an identifier, so that one is legal.

> As long as you can decorate with a consistent extra single character, 
> wouldn't it be entirely possible (and perhaps even advantageous?) to use 
> a commonly accepted best practice/idiom in order to distinguish 
> user-defined attributes from compiler-defined attributes without needing 
> to change the grammar?

Nah.

The moment we start changing rules around what an identifier means, 
that's symbol lookup. We really don't want to add more special cases there.