1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
|
package Data::ObjectDriver::Iterator;
use strict;
use warnings;
my %Iterators = ();
sub new {
my $class = shift;
my( $each, $end ) = @_;
bless $each, $class;
if ($end) {
$Iterators{ $each }{ end } = $end;
}
return $each;
}
sub next {
return shift->();
}
sub end {
my $each = shift;
my $hash = delete $Iterators{ $each };
$hash->{ end }->() if $hash and ref $hash->{ end } eq 'CODE';
}
sub DESTROY {
my $iter = shift;
# use YAML; warn Dump \%Iterators;
$iter->end();
}
1;
|