>:</span> <span class="kt">Range</span><span class="o">&lt;</span><span class="kt">Int</span><span class="o">&gt;</span><span class="p">,</span>
            <span class="nv">generationCount</span><span class="p">:</span> <span class="kt">Int</span><span class="p">,</span>
            <span class="nv">populationSize</span><span class="p">:</span> <span class="kt">Range</span><span class="o">&lt;</span><span class="kt">Int</span><span class="o">&gt;</span><span class="p">,</span>
            <span class="nv">