What would a minimal subset of D look like?

[Ola Fosheim Grøstad]

On Thursday, 27 June 2019 at 15:42:27 UTC, Kagamin wrote:
> GC (at run time), clasess and typeinfo, everything else is good 
> for embedded. BetterC is not a good subset, it's more a PR 
> feature.

Ok, but the question is more: what features are essential?

And, which features are rarely used and can be replaced by a 
library solution?