pre>

<p>In the case of definition above, <code>id</code> uniquely identifies the element and get to know the user updated by comparing equality of <code>name</code> of the elements in source and target.</p>

<p>There are default implementations of <code><a href="Protocols/Differentiable.html">Differentiable</a></code> for the types that conforming to <code>Equatable</code> or <code>Hashable</code>Ôºö</p>
<pre class="highlight swift"><code><span class="c1">// If `Self` conforming to `Hashable`.</span>
<s