Lines Matching defs:seen
13 $self->{ seen } = { };
186 @{ $self->{ seen } }{ @next } = @next;
187 print "seen = @{[sort keys %{$self->{seen}}]}\n" if DEBUG;
240 my $seen = $self->{ seen_edge };
242 if (defined $nontree || $bdc || defined $seen) {
249 if ( exists $self->{ seen }->{ $v }) {
268 if ($seen) {
271 $seen->( $u, $v, $self, $self->{ state } );
293 delete @next{ $self->seen };
334 return if exists $self->{ seen }->{ $next[0] }; # Sanity check.
371 sub seen {
373 keys %{ $self->{ seen } };
585 =item seen
587 Return the seen vertices in random order.