package Pangloss::Search::Filter::Concept; use base qw( Pangloss::Search::Filter::Base ); our $VERSION = ((require Pangloss::Version), $Pangloss::VERSION)[1]; our $REVISION = (split(/ /, ' $Revision: 1.4 $ '))[2]; sub applies_to { my $self = shift; my $concept = shift->concept; return grep { $concept eq $_ } keys %{ $self->item_keys }; } 1;