Data::Stream::Bulk::Nil - An empty Data::Stream::Bulk iterator
return Data::Stream::Bulk::Nil->new; # empty set
This iterator can be used to return the empty resultset.
- is_done
- Always returns true.
- next
- Always returns undef.
- items
- all
- Always returns the empty list.
- list_cat
- Skips $self
- filter
- Returns $self
- loaded
- Returns true.
Yuval Kogman <nothingmuch@woobling.org>
This software is copyright (c) 2012 by Yuval Kogman.
This is free software; you can redistribute it and/or modify it
under the same terms as the Perl 5 programming language system itself.