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<title>product! (CartesianIterator)</title>
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<pre><span class="ruby-comment cmt"># File cartesian_iterator.rb, line 22</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">product!</span>(<span class="ruby-identifier">other</span>)
<span class="ruby-ivar">@lists</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">other</span>.<span class="ruby-identifier">to_a</span>.<span class="ruby-identifier">dup</span>
<span class="ruby-ivar">@tot_iter</span> <span class="ruby-operator">*=</span> <span class="ruby-ivar">@lists</span>[<span class="ruby-value">-1</span>].<span class="ruby-identifier">size</span>
<span class="ruby-keyword kw">self</span>
<span class="ruby-keyword kw">end</span></pre>
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