(How) can reflection recoginzie `extern` variables?

[Salih Dincer]

On Friday, 11 October 2024 at 16:33:55 UTC, Quirin Schroll wrote:
> ```d
> extern int x;
> /****/ int y;
> ```
>
> (How) can I get the information that `x` is `extern` and `y` is 
> not? There seems to be no `__traits` for it.

There is no __traits mechanism to directly determine whether a 
symbol is extern. However, the extern linkage is determined at 
compile time based on how the symbol is defined, and the type of 
linkage it uses is determined by the compiler.

SDB at 79