If you could make any changes to D, what would they look like?

[zjh]

On Wednesday, 20 October 2021 at 09:47:54 UTC, SealabJaster wrote:
> Just for giggles, without pesky things like breaking changes;

`C++` concept `constraints` are placed in front of types. I think 
it is elegant and worth learning. e.g. `fun(InputRange 
R,...)(...)`.