Visual D showing weird errors

[Imperatorn]

On Monday, 26 April 2021 at 08:00:08 UTC, Raimondo Mancino wrote:
> Hello, I'm new to the language; I just started learning it a 
> few months ago. I'm doing okay with it, I find it very 
> versatile and fast to learn. I come from Java and C/C++ and I 
> think D solves tons of problems I had with these.
>
> [...]

What compiler and version are you using?