Draft proposal for mixin template intermediary storage

[cc]

On Tuesday, 20 December 2022 at 17:26:24 UTC, Max Samukha wrote:
> What happened to __local from 
> https://github.com/dlang/DIPs/blob/master/DIPs/accepted/DIP1010.md?

That's a good question.  I like the OP proposal and have run into 
places where I have wanted something similar, but I'd also love 
something that could be extended to all `static foreach` 
situations.  Of course, still waiting on `static break` and 
`static continue`...