r type's <code>==</code> operator implementation. Call <code>hasher.combine(_:)</code>
with each of these components.</p>
<blockquote>
<p>Important:
Never call <code>finalize()</code> on <code>hasher</code>. Doing so may become a compile-time error in the future.</p>
</blockquote>
<ul>
<li>Parameter hasher: The hasher to use when combining the components
of this instance.</li>
</ul>
<h4>Declaration</h4><code class="language-swift">public func hash(into hasher: inout Hasher)</code></div></div><h3>Type Variab