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  <title>fast_generate (JSON)</title>
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  <pre><span class="ruby-comment cmt"># File lib/json/common.rb, line 218</span>
  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">fast_generate</span>(<span class="ruby-identifier">obj</span>, <span class="ruby-identifier">opts</span> = <span class="ruby-keyword kw">nil</span>)
    <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">opts</span>
      <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">opts</span>.<span class="ruby-identifier">respond_to?</span> <span class="ruby-identifier">:to_hash</span>
        <span class="ruby-identifier">opts</span> = <span class="ruby-identifier">opts</span>.<span class="ruby-identifier">to_hash</span>
      <span class="ruby-keyword kw">elsif</span> <span class="ruby-identifier">opts</span>.<span class="ruby-identifier">respond_to?</span> <span class="ruby-identifier">:to_h</span>
        <span class="ruby-identifier">opts</span> = <span class="ruby-identifier">opts</span>.<span class="ruby-identifier">to_h</span>
      <span class="ruby-keyword kw">else</span>
        <span class="ruby-identifier">raise</span> <span class="ruby-constant">TypeError</span>, <span class="ruby-node">&quot;can't convert #{opts.class} into Hash&quot;</span>
      <span class="ruby-keyword kw">end</span>
      <span class="ruby-identifier">state</span> = <span class="ruby-constant">FAST_STATE_PROTOTYPE</span>.<span class="ruby-identifier">dup</span>
      <span class="ruby-identifier">state</span>.<span class="ruby-identifier">configure</span>(<span class="ruby-identifier">opts</span>)
    <span class="ruby-keyword kw">else</span>
      <span class="ruby-identifier">state</span> = <span class="ruby-constant">FAST_STATE_PROTOTYPE</span>
    <span class="ruby-keyword kw">end</span>
    <span class="ruby-identifier">state</span>.<span class="ruby-identifier">generate</span>(<span class="ruby-identifier">obj</span>)
  <span class="ruby-keyword kw">end</span></pre>
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