[Columbus-pm] weird datetime / push behavior
Smith,Devon
smithde at oclc.org
Tue May 18 13:07:02 PDT 2010
It adds the fist and only DateTime object. Dumper is showing that all
successive additions are in fact references to that first object. You
might want to create a new object for each iteration, depending on
actual needs.
/dev
--
Devon Smith
Consulting Software Engineer
OCLC Research
http://www.oclc.org/research/people/smith.htm
-----Original Message-----
From: columbus-pm-bounces+smithde=oclc.org at pm.org
[mailto:columbus-pm-bounces+smithde=oclc.org at pm.org] On Behalf Of
Jonathan Hogue
Sent: Tuesday, May 18, 2010 3:52 PM
To: columbus-pm
Subject: [Columbus-pm] weird datetime / push behavior
see this sample script.
use strict;
use DateTime;
use Data::Dumper;
my $d = DateTime->now;
my @days;
foreach my $i ( 1..7 )
{
push( @days, $d );
$d->add( 'days' => 1);
}
print Dumper \@days;
It adds the first datetime object... but isn't doing what you expect
for the next iterations... what's going on here?
$VAR1 = [
bless( {
.....
}, 'DateTime' ),
$VAR1->[0],
$VAR1->[0],
$VAR1->[0],
$VAR1->[0],
$VAR1->[0],
$VAR1->[0]
];
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