package GSM::Cell::Role::BcchChecks; use Moose::Role; #requires qw(get_adjacency); # - error sub list_bcchs { my $self = shift; my %list = map {$_->BCCH => 1} $self , map($self->get_adjacency($_)->CELL , $self->adjacency_IDs); my @list = sort keys %list; @list; } 1;