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

[Jonathan M Davis]

On Monday, September 24, 2012 03:31:08 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 ?

Design. It makes no sense for the left-hand side of an assignment to be 
evaluated before the right-hand side.

It's function arguments that should be evaluated left-to-right.

- Jonathan M Davis