DIP19: Remove comma operator from D and provision better syntactic support for tuples

[Timon Gehr]

On 09/24/2012 05:25 AM, Andrei Alexandrescu wrote:
> On 9/23/12 9:31 PM, deadalnix wrote:
>> Le 24/09/2012 03:14, Andrei Alexandrescu a écrit :
>>> On 9/23/12 7:20 PM, Adam D. Ruppe wrote:
>>>> On Sunday, 23 September 2012 at 22:55:33 UTC, Timon Gehr wrote:
>>>>> I believe it is currently left-to-right for D, in all kinds of
>>>>> expressions, but DMD does not implement it yet.
>>>>
>>>> Yeah, I thought it was already defined.
>>>
>>> Actually it's right to left for assignments. In expr1 = expr2, expr2
>>> gets evaluated first.
>>>
>>> Andrei
>>
>> Is it by implementation or by design ?
>
> Currently probably neither :o). I used to oppose it, then I figured it's
> actually nice because of things like:
>
> int[int] stuff;
> stuff[42] = stuff.length;
>
>
> Andrei

So you are arguing for computing the arguments for a method call before
the receiver is computed? (What about UFCS?) Or should opAssign behave
specially?