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📁 《Big C++ 》Third Edition电子书和代码全集-Part1

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<h2><font color="#009999">Advanced Topic 26.1</font></h2>
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<p><font color="#009999">Generic Programming with Inheritance and Templates
	</font></p>

<ul>
	<li><u>Design Patterns</u> further recommends using an abstract base class
 		for the iterator and the aggregate</li>
	<li>Generic code can then be written:
		<blockquote>
<pre>void print_all(AbstractAggregate* items)
{
   AbstractIterator* iter = items-&gt;create_iterator();
   while (!iter-&gt;is_done())
   {
      cout &lt;&lt; iter-&gt;current_item() &lt;&lt; "\n";
      iter-&gt;next();
   }
}</pre>
		</blockquote>
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