OT: Tuple Syntax and Placeholders (Re: First Draft: Tuple Unpacking Syntax)

[Nick Treleaven]

On Sunday, 27 July 2025 at 21:52:15 UTC, Richard (Rikki) Andrew 
Cattermole wrote:
> 2. Moving elements should be in DIP even if implementation 
> doesn't support it. I don't think anything special needs to be 
> done here. My understanding is the compiler should be seeing 
> the VarDeclaration -> VarDeclaration assignment and handle it 
> normally.

I think you are asking for something special:

```d
     T a, b;
     alias seq = AliasSeq!(a, b);
     // auto (x, y) = a;
     auto x = a[0];
     auto y = a[1];
```

`a[0]` and `a[1]` are not moved by the lowered code.

Do you have an example where there should be a move?