Front page | perl.perl5.porters |
Postings from June 2008
On Fri, Jun 20, 2008 at 12:06:31PM -0400, Ronald J Kimball wrote:
> (Note that return can be usefully used as an expression:
> my $foo = $bar ? return : 'baz';
> Odd, but it works.)
But then people start writing code that looks like this:
$basket->calculate() or return $self->emit("Could not recalculate", 'error') if $basket->complete();
and I go http://www.flickr.com/photos/twoshortplanks/28698637/
(sadly I no longer have the other example of code from the same author, that
mixed declaration, conditional initialisation and control flow in one
statement. But actually, I don't think that he was using ternaries in either)
On Fri, Jun 20, 2008 at 06:29:45PM +0200, Rafael Garcia-Suarez wrote:
> return is technically parsed as a list operator (LSTOP).
> That enables using it in compound expressions.
>
> Note that this syntax works also for other control flow statements :
>
> $ perl -wle '$i=3;while(1){print($i--||last)}'
> 3
> 2
> 1
>
> I don't really see a reason to change it.
Ah. Makes sense.
I guess I can reject my own bug.
Nicholas Clark
Thread Previous
|
Thread Next