# On the grey rock of Cashel the mind's eye
# Has called up the cold spirits that are born
# When the old moon is vanished from the sky
# And the new still hides her horn.
#
# W.B. Yeats
# The double vision of Michael Robartes

package Cashel;
@ISA=('Rock::Grey');

my $mind{'eye'}=&spirits;

sub spirits {
  if (not exists Sky::Moon) &&
       (not defined (Sky::Moon->new)->{'horn'}) {
      $spirit=Spirits->new('cold');
  }
  return $spirits||undef;
}