=over
-=item * PositiveNum
+=item * C<PositiveNum>
-=item * PositiveOrZeroNum
+=item * C<PositiveOrZeroNum>
-=item * PositiveInt
+=item * C<PositiveInt>
-=item * PositiveOrZeroInt
+=item * C<PositiveOrZeroInt>
-=item * NegativeNum
+=item * C<NegativeNum>
-=item * NegativeOrZeroNum
+=item * C<NegativeOrZeroNum>
-=item * NegativeInt
+=item * C<NegativeInt>
-=item * NegativeOrZeroInt
+=item * C<NegativeOrZeroInt>
-=item * SingleDigit
+=item * C<SingleDigit>
=back