First Draft: Static Single Assignment

[Walter Bright]

On 11/24/2025 10:58 AM, Dukc wrote:
> What issues does it cause that this DIP avoids? Even this DIP will let you do
> 
> ```D
> struct HeadConst(T)
> {   final T field;
>      alias field this;
> }
> ```

It won't allow a pointer to the field.