First Draft: ref For Variable Declarations

[Daniel N]

On Friday, 12 April 2024 at 20:43:50 UTC, Walter Bright wrote:
> https://github.com/WalterBright/documents/blob/984374ca885e1cb10c2667cf872aebc13b4c1663/varRef.md

Finally, this is really needed to avoid unnecessary copys!

C# can also be added to prior work.
https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/statements/declarations#reference-variables