Data::Dumper doesn't seem to expand references that are hash keys, and I can't figure out what settings to change to make it do so. Is this even possible?
Example code:
#!/usr/bin/perl
use Data::Dumper;
@array = ('foo', 'bar');
$arf = \@array;
%hash1 = ( 'baz' => $arf );
%hash2 = ( $arf => 'baz' );
print Dumper(@array); print "\n";
print Dumper(%hash1); print "\n";
print Dumper(%hash2);
This outputs:
$VAR1 = 'foo';
$VAR2 = 'bar';
$VAR1 = 'baz';
$VAR2 = [
'foo',
'bar'
];
$VAR1 = 'ARRAY(0x8be1b04)';
$VAR2 = 'baz';
But I would like something to get the output:
$VAR1 = 'foo';
$VAR2 = 'bar';
$VAR1 = 'baz';
$VAR2 = [
'foo',
'bar'
];
$VAR1 = [
'foo',
'bar'
];
$VAR2 = 'baz';
Simplistically, change
%hash2 = ( $arf => 'baz' );
to
@hash2 = ( $arf => 'baz' );
Of course, then it's no longer a hash, but an array.
The technical post webpages of this site follow the CC BY-SA 4.0 protocol. If you need to reprint, please indicate the site URL or the original address.Any question please contact:yoyou2525@163.com.