Should the comma operator be removed in D2?

[Ellery Newcomer]

Leandro Lucarella wrote:
> Ellery Newcomer, el 16 de noviembre a las 19:02 me escribiste:
>> Justin Johansson wrote:
>>
>>> Great. Sounds like problem solved in that there is no problem.
>>>
>>> So how do people feel about bill's suggestion to progress the issue
>>> further?
>>>
>>> Be good to get some comments from higher-up (Walter, Andrei)?
>>>
>>> Predict bearophile will chime in on this one too?
>> The real problem is you'd end up with a tuple syntax identical to a
>> valid c syntax. If D silently accepts it, but does something different,
>> it's a no go.
> 
> Code ported from C should not compile if the comma expression is converted
> to a tuple literal because if a and b are int, typeof(a,b) is int now and
> will be Tuple!(int, int) in the future, and I don't think
> a Tuple!(anything) could be implicitly casted to anything, except, maybe,
> another tuple, but you don't have tuples in C, so there is no risk on that.
> 

void fun1(int a);
void fun1(Tuple!(int,int) a);

fun1( (a=fizbang(), a+b) );