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Postings from April 2010
On Sun, 04 Apr 2010 14:22:37 +0300, Jari Aalto <jari.aalto@cante.net>
wrote:
> Tom Christiansen <tchrist@perl.com> writes:
>
> > and therefore the parens don't matter. Removing them changes
> > nothing and risks no confusion, so it seems cleaner without them.
>
> Yes, I was referring to the "simple expressions" all the way. When
> combining the expressions, that's another matter. But trivial cases I
> think it's preferred still:
>
> for my $item (sort keys {$a <=> $b} %hash) # without extra parens here
That won't even parse
for my item (sort { $a <=> $b } keys %hash) {
:
'sort' takes the block, not 'keys'
--
H.Merijn Brand http://tux.nl Perl Monger http://amsterdam.pm.org/
using & porting perl 5.6.2, 5.8.x, 5.10.x, 5.11.x on HP-UX 10.20, 11.00,
11.11, 11.23, and 11.31, OpenSuSE 10.3, 11.0, and 11.1, AIX 5.2 and 5.3.
http://mirrors.develooper.com/hpux/ http://www.test-smoke.org/
http://qa.perl.org http://www.goldmark.org/jeff/stupid-disclaimers/
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