e types breaks - so even for</span>
<span class="c1">// simple types like Int or String, you have to register comparator</span>
<span class="c1">// Foe equatable, you can use simplified syntax:</span>
<span class="kt">Matcher</span><span class="o">.</span><span class="k">default</span><span class="o">.</span><span class="nf">register</span><span class="p">(</span><span class="kt">Int</span><span class="o">.</span><span class="k">self</span><span class="p">)</span>
<span class="kt">Matcher</span><span class=