an>[<span class="ruby-value">-1</span>, <span class="ruby-value">1</span>] = <span class="ruby-value str">''</span>
        <span class="ruby-identifier">src</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-node">&quot;(#{@func} \&quot;&quot;</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">t</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-value str">&quot;\\n\&quot;)\n&quot;</span>
      <span class="ruby-keyword kw">else</span>
     