Transitions to new language semantics

[Walter Bright]

On 6/11/2021 12:36 AM, Sönke Ludwig wrote:
> Now, what I've always thought to be the obvious solution for this is to instead 
> annotate the code on a per-module basis, using UDA syntax, pragmas, or something 
> similar. In addition to avoiding import issues with external code, that would 
> also allow to upgrade large code bases on a per-module basis.

Interestingly, this is how #ImportC is working.