Variable declaration primary expression

[IchorDev]

On Monday, 20 January 2025 at 21:08:09 UTC, Richard (Rikki) 
Andrew Cattermole wrote:
> On 21/01/2025 9:41 AM, IchorDev wrote:
>> Someone brought up this clever idea here: 
>> https://github.com/dlang/dmd/ 
>> pull/20653#issuecomment-2581474608
>> What does everyone think about being able to declare variables 
>> in expressions? Is there any pre-existing syntax that blocks 
>> us from being able to easily do this?
>
> I don't know about syntax, but rewrites do use VarDeclaration 
> in an expression (including CommaExpression).
>
> I'd call this long overdue if it works in syntax.

What do you mean by ‘works in syntax’?