News for hackers. Stuff that matters.

A comment on A comparison of Rust's borrow checker to the one in C#. Parent comment

Re:A comparison of Rust's borrow checker to the one in C# by zigzag312 on Thursday October 31, 2024 @06:08AM (#42005200)
> The only grudge I have against them is they promised us discriminated unions since forever and they are still discussing how to implement it. I think that is the greatest feature C# is missing.

To ease the wait you could try Dunet (discriminated union source generator).

https://github.com/domn1995/dunet

[ Parent | on HN ]
Re:A comparison of Rust's borrow checker to the one in C# by CharlieDigital on Thursday October 31, 2024 @07:10AM (#42005592)
There's also OneOf (https://github.com/mcintyre321/OneOf) as well which feels more ergonomic to me (having used both).

Practical example in a short write up here: https://chrlschn.dev/blog/2024/07/csharp-discriminated-union...

[ Parent | on HN ]
Re:A comparison of Rust's borrow checker to the one in C# by zigzag312 on Thursday October 31, 2024 @10:05AM (#42007048)
Isn't OneOf more like a type union, and not a tagged/discriminated union?
[ Parent | on HN ]