Preview features status?

[Mathias LANG]

On Wednesday, 14 July 2021 at 08:00:12 UTC, Mathias LANG wrote:
>
> Note that there are a few more things still missing for it to 
> be complete: First, it needs to work with `foreach` (currently, 
> `foreach` doesn't even support `scope`, so I'll do that too 
> when I get to it), and the other is that it should probably 
> error out with non-`extern(D|C++)` 
> (https://github.com/dlang/dmd/pull/12242).

And storage class inference for function literals 
(https://issues.dlang.org/show_bug.cgi?id=9423), which will make 
everyone's life easier (and should allow other nice things, like 
allowing more `ref` in range pipelines).