When not capturing the return value of a string mixin expression, I get "found `End of File` when expecting `;`"

[Dejan Lekic]

On Friday, 12 September 2025 at 08:36:42 UTC, realhet wrote:
> Is this a feature or a bug? :D
> Is there a way to make this processing_and_optional_returning 
> thing better?

It is a bug in your code.

Change line 6 to

```d
         (){ val += 1; return val; }();
```

After the added `;` it should work as expected.