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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">20.5 Nested Classes (cont.)</font></h2>
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<ul>
	<li>Does <i>not</i> imply that a <tt>List</tt> object contains an
		<tt>Iterator</tt> object</li>
	<li>The name <tt>Iterator</tt> is in the scope of the <tt>List</tt>
		class</li>
	<li><tt>List</tt> member functions can refer to it simply as
		<tt>Iterator</tt></li>
	<li>All other functions refer to it as <tt>List::Iterator</tt></li>
	<li>Nested classes need not be public</li>
	<li>Declaring nested class as <tt>private</tt> encapsulates entire
		definition
		<ul>
			<li>May only be created by members of outer class</li>
		</ul>
	</li>
</ul>

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