On Tuesday, 20 July 2021 at 09:24:07 UTC, Mark Lagodych wrote:
> ```d
> void main()
> {
> X x1 = new X;
> X x2 = new X;
>
> x1.x(0).writeln;
> x2.x(0).writeln;
>
> x1.x(17).writeln;
> x2.x(0).writeln;
> }
> ```
Ow, sorry, I forgot to say. It prints:
```
1234
1234
17
17
```