[mastry]

Here are some. I’m not saying these are all completely useless, but all of them should have taken a back seat to sum types.

- https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs...

- https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs...

- https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs...

- https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs...

- https://learn.microsoft.com/en-us/dotnet/csharp/whats-new/cs...