+sub at
+{
+ my($self, $type)=@_;
+ return($self->is($type, $self->tail()));
+}
+
+sub is
+{
+ my($self, $type, $thing)=@_;
+ return 0 unless($thing);
+ my $ref=ref($thing);
+ my $typestr="ID3FS::PathElement::" . ucfirst($type);
+ return 1 if($ref eq $typestr);
+ return 0;
+}
+