draft proposal for Sum Types for D

[Walter Bright]

On 11/29/2022 12:37 PM, Per Nordlöw wrote:
> ```d
> sumtype Result
> {
>      Error,
>      int Value
> }
> ```
> 
> , is
> 
> ```d
> Result res;
> res = 25;
> ```
> 
> supposed to be supported aswell?

At the moment, no, should be:

      res.Value = 25;


> If so, why not

I'd reframe that as why do it?

On a pragmatic note, there may be multiple matches for an int in the sumtype.