Improvement to struct inheritance possible?

[zjh]

On Thursday, 18 January 2024 at 07:32:56 UTC, zjh wrote:
>
> Plugins are completely selectable by users, which is equivalent 
> to placing all the `switches` of `'dmd'` in a separate `plugins 
> directory` .


Then if you compile someone else's code, of course you need a 
plugin that someone else uses. However, there should be a 
`compilation command` that can control the `switch` of the plugin.
Moreover, `each library` comes with its own `'compile command'` 
when released.