c
type.</p>
<p>Scalars with this numeric type are often those that represent a decimal
digit but would not typically be used to write a base-10 number, such
as &quot;④&quot; (U+2463 CIRCLED DIGIT FOUR).</p>
<p>As of Unicode 6.3, any new scalars that represent numbers but do not
meet the requirements of <code>decimal</code> will have numeric type <code>numeric</code>,
and programs can treat <code>digit</code> and <code>numeric</code> equivalently.</p>
<h4>Declaration</h4><code class="language-swift">case d