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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'>26.6 The COMPOSITE Pattern</font></h2>
<font size='+1'>

<ul>
	<li>Consider the invoice program (chptr 13)</li>
	<li>Lists an item, quantity, and unit price</li>
	<li>We'd like to add <i>bundles</i> of items</li>
	<li>Sol'n:  inherit <tt>Bundle</tt> from <tt>Item</tt>
		<blockquote>
<pre>class Bundle : public Item
{
   . . .
private:
   vector&lt;Item*&gt; items;
};</pre>
		</blockquote>
	</li>
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