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Path	[ DIR ]	drwxr-xr-x
Array.pm	2.56 KB	-rw-r--r--
Callback.pm	1.53 KB	-rw-r--r--
Cat.pm	1.79 KB	-rw-r--r--
Chunked.pm	2.01 KB	-rw-r--r--
DBI.pm	2.31 KB	-rw-r--r--
DBIC.pm	1.72 KB	-rw-r--r--
DoneFlag.pm	2.15 KB	-rw-r--r--
FileHandle.pm	1.51 KB	-rw-r--r--
Filter.pm	1.87 KB	-rw-r--r--
Nil.pm	1.41 KB	-rw-r--r--
Util.pm	2.45 KB	-rw-r--r--

Code Editor : Nil.pm

package Data::Stream::Bulk::Nil;
BEGIN {
  $Data::Stream::Bulk::Nil::AUTHORITY = 'cpan:NUFFIN';
}
{
  $Data::Stream::Bulk::Nil::VERSION = '0.11';
}
use Moose;
# ABSTRACT: An empty L<Data::Stream::Bulk> iterator

use namespace::clean -except => 'meta';

with qw(Data::Stream::Bulk) => { -excludes => [qw/loaded filter list_cat all items/] };

sub items { return () }

sub all { return () }

sub next { undef }

sub is_done { 1 }

sub list_cat {
	my ( $self, $head, @rest ) = @_;

return () unless $head;
	return $head->list_cat(@rest);
}

sub filter { return $_[0] };

sub loaded { 1 }

__PACKAGE__->meta->make_immutable;

__PACKAGE__;

=pod

=head1 NAME

Data::Stream::Bulk::Nil - An empty L<Data::Stream::Bulk> iterator

=head1 VERSION

version 0.11

=head1 SYNOPSIS

return Data::Stream::Bulk::Nil->new; # empty set

=head1 DESCRIPTION

This iterator can be used to return the empty resultset.

=head1 METHODS

=over 4

=item is_done

Always returns true.

=item next

Always returns undef.

=item items

=item all

Always returns the empty list.

=item list_cat

Skips $self

=item filter

Returns $self

=item loaded

Returns true.

=back

=head1 AUTHOR

Yuval Kogman <nothingmuch@woobling.org>

=head1 COPYRIGHT AND LICENSE

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=cut

__END__

${this.title}

Code Editor : Nil.pm