using assignment statement as conditional in a where

[dan via Digitalmars-d-learn]

On Saturday, 3 December 2016 at 09:03:25 UTC, rikki cattermole 
wrote:
> On 03/12/2016 9:55 PM, dan wrote:
>> [...]
>
> If you can use another compiler do so, gdc is on an old 
> frontend/Phobos now. I recommend ldc or you know the reference 
> compiler dmd if performance/platform isn't an issue (not that 
> dmd can't produce decent codegen).
>
> This does compile:
>
> int func() {
> 	return 0;	
> }
>
> void main() {
> 	int x;
> 	while((x = func()) != 0) {
> 			
> 	}
> }

Thanks Rikki, that works great and is nearly ideal (doesn't seem 
to allow 'auto' but probably that's some scoping issue).

I do prefer gdc because it is gpl'ed, but appreciate any 
suggestions.

Thanks again for your help!

dan