The Comma Operator's Deprecation Can't Come Soon Enough

[Tofu Ninja via Digitalmars-d]

On Tuesday, 15 July 2014 at 17:09:14 UTC, H. S. Teoh via 
Digitalmars-d wrote:
> On Tue, Jul 15, 2014 at 04:52:34PM +0000, Israel Rodriguez via 
> Digitalmars-d wrote:
> [...]
>> Nuh uh...The comma operator is too valuable to loose...
>
> Please cite an example where it is "valuable"?
>
>
> T

Yes please, I legitimately can't think of any use case. I don't 
understand why was this was ever introduced to D? What is the use?