Should we deprecate comma?

[Meta]

On Monday, 24 March 2014 at 12:44:22 UTC, bearophile wrote:
> w0rp:
>
>> I am a regular Python user, and I advise against using this 
>> syntax for tuples. I have been bitten many times by something 
>> which I thought was a tuple becoming an expression and 
>> something I thought was a simple expression becoming a tuple.
>
> I agree, 1-tuples in Python are tricky. Compare it with the 
> clear Python list literal syntax:
>
> []        => 0-length list
> [1]       => 1-length list
> [1, 2]    => 2-length list
> [1, 2, 3] => 2-length list
>
> Unfortunately ASCII offers a limited choice of delimiters :-)
>
>
>> I don't have an alternative syntax to propose.
>
> Look at some of the syntaxes here:
> http://wiki.dlang.org/DIP32#Use_case_of_uniform_tuple_syntax
>
> One of the syntaxes:
>
> @{}
> @{a}
> @{a, b}
> @{a, b, c}
>
> Bye,
> bearophile

Do you know what Rust does in the case of 1-tuples?