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   1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Chapter 6.  Utilities</title><meta name="generator" content="DocBook XSL-NS Stylesheets V1.76.1"><meta name="keywords" content="
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   6       ISO C++
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  11     "><link rel="home" href="../index.html" title="The GNU C++ Library"><link rel="up" href="bk01pt02.html" title="Part II.  Standard Contents"><link rel="prev" href="bk01pt02ch05s02.html" title="Concept Checking"><link rel="next" href="pairs.html" title="Pairs"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 6.
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  15     Standard Contents
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  17   Utilities
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  19 </h2></div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="section"><a href="utilities.html#std.util.functors">Functors</a></span></dt><dt><span class="section"><a href="pairs.html">Pairs</a></span></dt><dt><span class="section"><a href="memory.html">Memory</a></span></dt><dd><dl><dt><span class="section"><a href="memory.html#std.util.memory.allocator">Allocators</a></span></dt><dd><dl><dt><span class="section"><a href="memory.html#allocator.req">Requirements</a></span></dt><dt><span class="section"><a href="memory.html#allocator.design_issues">Design Issues</a></span></dt><dt><span class="section"><a href="memory.html#allocator.impl">Implementation</a></span></dt><dd><dl><dt><span class="section"><a href="memory.html#id609466">Interface Design</a></span></dt><dt><span class="section"><a href="memory.html#id609496">Selecting Default Allocation Policy</a></span></dt><dt><span class="section"><a href="memory.html#id609607">Disabling Memory Caching</a></span></dt></dl></dd><dt><span class="section"><a href="memory.html#allocator.using">Using a Specific Allocator</a></span></dt><dt><span class="section"><a href="memory.html#allocator.custom">Custom Allocators</a></span></dt><dt><span class="section"><a href="memory.html#allocator.ext">Extension Allocators</a></span></dt></dl></dd><dt><span class="section"><a href="memory.html#std.util.memory.auto_ptr">auto_ptr</a></span></dt><dd><dl><dt><span class="section"><a href="memory.html#auto_ptr.limitations">Limitations</a></span></dt><dt><span class="section"><a href="memory.html#auto_ptr.using">Use in Containers</a></span></dt></dl></dd><dt><span class="section"><a href="memory.html#std.util.memory.shared_ptr">shared_ptr</a></span></dt><dd><dl><dt><span class="section"><a href="memory.html#shared_ptr.req">Requirements</a></span></dt><dt><span class="section"><a href="memory.html#shared_ptr.design_issues">Design Issues</a></span></dt><dt><span class="section"><a href="memory.html#shared_ptr.impl">Implementation</a></span></dt><dd><dl><dt><span class="section"><a href="memory.html#id610613">Class Hierarchy</a></span></dt><dt><span class="section"><a href="memory.html#id610801">Thread Safety</a></span></dt><dt><span class="section"><a href="memory.html#id610862">Selecting Lock Policy</a></span></dt><dt><span class="section"><a href="memory.html#id610983">Related functions and classes</a></span></dt></dl></dd><dt><span class="section"><a href="memory.html#shared_ptr.using">Use</a></span></dt><dd><dl><dt><span class="section"><a href="memory.html#id623434">Examples</a></span></dt><dt><span class="section"><a href="memory.html#id623464">Unresolved Issues</a></span></dt></dl></dd><dt><span class="section"><a href="memory.html#shared_ptr.ack">Acknowledgments</a></span></dt></dl></dd></dl></dd><dt><span class="section"><a href="traits.html">Traits</a></span></dt></dl></div><div class="section" title="Functors"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="std.util.functors"></a>Functors</h2></div></div></div><p>If you don't know what functors are, you're not alone.  Many people
  20       get slightly the wrong idea.  In the interest of not reinventing
  21       the wheel, we will refer you to the introduction to the functor
  22       concept written by SGI as part of their STL, in
  23       <a class="link" href="http://www.sgi.com/tech/stl/functors.html" target="_top">their
  24       http://www.sgi.com/tech/stl/functors.html</a>.
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