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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">26.5.1 Function Objects (cont.)</font></h2>
<font size="+1">

<ul>
	<li>Add attributes to extend functionality:
		<blockquote>
<pre>class SalaryComparator
{
public:
   SalaryComparator(bool a) : ascending(a) {}

   bool operator()(const Employee&amp; a, const Employee&amp; b)
   {
      if (ascending)
         return a.get_salary() &lt; b.get_salary();
      else
         return a.get_salary() &gt; b.get_salary();
   }

private:
   bool ascending;
}</pre>
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