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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">26.3 The ADAPTER Pattern</font></h2>
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<ul>
	<li>When you want to use an existing class, but its i/f doesn't match the
		one you need</li>
	<li>Consider converting a string containing numerics (<tt>"235"</tt>) to
		an integer:
		<ul>
			<li><tt>string</tt> can't</li>
			<li>If digits were stored in a stream, great</li>
			<li>Hence, the <tt>istringstream</tt> class (chptr 12):
				<blockquote><tt>
					string s = "235";<br>
					istringstream istr(s);<br>
					int n;<br>
					s &gt;&gt; n;
						<font color="#0000cc">// Now n is the integer 235</font>
				</tt></blockquote>
			</li>
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