working with attributes

[Richard (Rikki) Andrew Cattermole]

On 12/01/2024 12:05 PM, Timon Gehr wrote:
> On 1/11/24 23:41, Walter Bright wrote:
> 
>     Any piece of code that accepts lambdas, callbacks, etc., should be
>     very clear about attribute use and how that will apply to the
>     lambdas, etc.
> 
> The issue is, sometimes the piece of code that accepts lambdas is 
> entirely unopinionated about what the right attributes are, but the 
> callback and the calling code have a very strong opinion. There is no 
> way to annotate this now that makes sense, you have to duplicate the 
> code with different attribute annotations. I am not sure exactly how 
> many overloads of |opApply| you need to cater to all use cases, but I 
> think it is more than ten.

I have it implemented as a permutation...

This is awful for exports. It should be one, not 24 on top of a template 
opApply that accepts anything internally.

https://github.com/Project-Sidero/basic_memory/blob/main/source/sidero/base/internal/meta.d#L4