Extending bitfields to enumerations of any enumerator type

[Timon Gehr]

On 10/8/25 23:39, Timon Gehr wrote:
> 
> Not applicable to strings, but arithmetic operators don't promote to the 
> base type:


Here's an operation that works on string enums:

```d
import std;
enum Field: string{ none=[], dot="." }

void main(){
     Field f=Field.dot;
     f~=f;
     writeln(f);
}
```

(Had only tried `~` before, but you can even do `f~="arbitrary string";`)