First Draft: ref For Variable Declarations

[Daniel N]

On Monday, 15 April 2024 at 19:21:55 UTC, Steven Schveighoffer 
wrote:
>
> You also have to add `return` to the parameter, and then it 
> compiles.
>
> For reference, the edited code which compiles is:
>
> ```d
> @safe ref int foo(return ref int x)
> {
>     // ref int y = x;
>     // return y;
>     // same as:
>     ref int bar(ref int x2) {
>         return x2;
>     }
>     return bar(x);
> }
> ```
>
> -Steve

why not

```d
ref int bar(return ref int x2)
```

is it inferred for nested functions?