Processing XMl efficiently with XML::Twig - Section 4 shows this that works

 #!/usr/bin/perl --
use strict; use warnings;
use XML::Twig;
my $objectsTwig = XML::Twig->new;
$objectsTwig->xparse('<objects />');
print $objectsTwig ->toString, "\n";
my $OBJECT_ROOT = $objectsTwig->root;
for( 1 .. 10 ){
    XML::Twig::Elt->new(
        'object'
    )->paste(
        'last_child',
        $OBJECT_ROOT
    );
}
print $objectsTwig ->toString, "\n";
__END__
<objects/>
<objects><object/><object/><object/><object/><object/><object/><object
+/><object/><object/><object/></objects>
[download]

A root on the other hand seems doesn't like to be cut/paste while it is a root

#!/usr/bin/perl --
use strict; use warnings;
use XML::Twig;
my $objectsTwig = XML::Twig->new;
$objectsTwig->xparse('<objects />');
print $objectsTwig ->toString, "\n";
my $OBJECT_ROOT = $objectsTwig->root;
for( 1 .. 10 ){
    my $object = XML::Twig->new;
    $object->xparse('<object />');
    my $orphan = $object->root;
    $object->set_root(undef); ### crucial
    $orphan->cut;
    $orphan->paste('last_child', $OBJECT_ROOT );
}  
print $objectsTwig ->toString, "\n";
__END__
<objects/>
<objects><object/><object/><object/><object/><object/><object/><object
+/><object/><object/><object/></objects>
[download]

Bug? Intended behaviour? I don't know , but doesn't seem too important to me :)

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