[Satirical] Breaking News: The inverted result type!

[Kapendev]

On Saturday, 27 June 2026 at 09:53:06 UTC, Richard (Rikki) Andrew 
Cattermole wrote:
> Such a type can be represented with just the following struct:
>
> ```d
> struct InvertedResult(ErrorCause, DataType) {
>     ErrorCause error;
>
>     alias error this;
>
>     DataType data;
> }
> ```
>
> Now you can do such things as:
>
> ```d
> InvertedResult!(string, int) result = ...;
>
> if (string error = result) {
>     // oh noes failure!
> } else {
>     // we MAY have data here!
>
>     if (result.data) {
>         // got data
>     } else {
>         // oh noes, another failure case!
>     }
> }
> ```

Yeah, this works. I'm not sure (even for my version of this) if 
the `alias this` should be the error value or a function like 
`isSome` that checks if `error == noterror`.
Maybe it needs a different name. `CouldError`??