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Postings from March 2003
On Tue 18 Mar 2003 00:27, Abigail <abigail@abigail.nl> wrote:
> On Mon, Mar 17, 2003 at 11:21:18PM +0100, Rafael Garcia-Suarez wrote:
> >
> > Hugo asks why the one-liner :
> >
> > perl -le 'print $a++'
> >
> > prints "0". Abigail doesn't find this behavior strange, and (as
> > expected) has "written code that depends on this". The discussion
> > continues.
> >
>
>
> Just to avoid people getting the impression I went out of my way
> to make use of this behaviour, here's a simple example:
>
> my $i;
> my %months = map {$_ => $i ++} qw /Jan Feb Mar Apr May Jun
> Jul Aug Sep Oct Nov Dec/;
Written less ambigous as
my %month;
@month(qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec)) = 0..11;
Not pretending that this is better, just different, evenly short, but not
relying on debatable initial states.
--
H.Merijn Brand Amsterdam Perl Mongers (http://amsterdam.pm.org/)
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