r">=</span>
  <span class="Keyword">try</span><span class="Punctuation">:</span>
    <span class="Keyword">for</span> <span class="Identifier">i</span> <span class="Keyword">in</span> <span class="FloatNumber">1.</span><span class="Operator">.</span><span class="DecNumber">1000</span><span class="Punctuation">:</span>
      <span class="Keyword">let</span> <span class="Identifier">inst</span> <span class="Operator">=</span> <span class="Identifier">getInstance</span><span class="Punctuation">(</span><span c