Is it possible to assign a Comma Expression to a variable?

[H. S. Teoh]

On Tue, Nov 29, 2022 at 09:24:43PM +0000, Lucian Danescu via Digitalmars-d wrote:
> To give some context, D-Scanner has a check that warns against
> assigning a comma expression to a variable. Example:
> 
> ```
> a = (foo(), bar(), 1); // warn here
> ```
> 
> This check was implemented a while back, and from what I can see,
> currently assigning a comma expression results in a compilation error,
> hence that check in D-Scanner would not be necessary anymore.
> 
> I just wanted to make sure that it is impossible to assign a comma
> expression to a variable, or if it is possible, can someone please
> clarify when and maybe give an example?

No it's not possible to assign a comma expression to a variable. That
has been deprecated years ago, and as far as I can tell generates a flat
out compile error now.

In the future, comma syntax may be extended to tuples.


T

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