On 12/27/2010 09:55 PM, Daniel Carrera wrote:
> On Mon, Dec 27, 2010 at 9:49 PM, Chas. Owens <chas.ow...@gmail.com> wrote:
>
>> The [conditional operator][1] is now spelled test ?? true !! false not
>> test ? true : false.
>>
>
> Thanks!
>
> Now the following code works:
>
> %matches{ $r1 > $r2 ?? $p1 !! $p2 }++;
>
>
> I'm still having trouble with the other alternative:
>
> $r1 > $r2 ?? { %matches{$p1}++ } !! { %matches{$p2}++ };
>
> Now the problem is that %matches is empty. I'm not sure why. Maybe you can't
> have code blocks inside ?? ... !! ...
You can have (otherwise you'd get a syntax error), but it's not
magically executed.
You can write
$r1 > $r2 ?? %matches{$p1}++ !! %matches{$p2}++;
or
%matches{$r1 > $r2 ?? $p1 !! $p2 }++;
or
my $closure = $r1 > $r2 ?? { %matches{$p1}++ } !! { %matches{$p2}++ };
# invoke it
$closure();
