Sum Types - first draft

[Paul Backus]

On Wednesday, 11 September 2024 at 11:47:47 UTC, Dukc wrote:
> On Tuesday, 10 September 2024 at 19:11:27 UTC, Walter Bright 
> wrote:
>> Great! Seems like it has improved substantially since I wrote 
>> the proposal a couple years ago.
>>
>> What are its shortcomings presently?
>
> You're more than smart enough to figure it out yourself, just 
> read the docs. `std.sumtype` is well documented.

For the record, `std.sumtype` has had no substantial changes made 
to it since Walter posted his original proposal on November 28th, 
2022. This can easily be seen by viewing the git history:

https://github.com/dlang/phobos/commits/master/std/sumtype.d