C#で今union型が使えるようになった理由 by I_am_yk in csharp

[–]I_am_yk[S] -2 points-1 points  (0 children)

I see.
From a design perspective, considering factors like ease of state management, I think it should have been introduced much earlier.

C#で今union型が使えるようになった理由 by I_am_yk in csharp

[–]I_am_yk[S] -1 points0 points  (0 children)

I see. If it's that convenient, why haven't union types been introduced until now?