<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0.1 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <title>Boost.MultiIndex Documentation - multi_index_container reference</title> <link rel="stylesheet" href="../style.css" type="text/css"> <link rel="start" href="../index.html"> <link rel="prev" href="index.html"> <link rel="up" href="index.html"> <link rel="next" href="indices.html"> </head> <body> <h1><img src="../../../../boost.png" alt="boost.png (6897 bytes)" align= "middle" width="277" height="86">Boost.MultiIndex <code>multi_index_container</code> reference</h1> <div class="prev_link"><a href="index.html"><img src="../prev.gif" alt="Boost.MultiIndex reference" border="0"><br> Boost.MultiIndex reference </a></div> <div class="up_link"><a href="index.html"><img src="../up.gif" alt="Boost.MultiIndex reference" border="0"><br> Boost.MultiIndex reference </a></div> <div class="next_link"><a href="indices.html"><img src="../next.gif" alt="index reference" border="0"><br> Index reference </a></div><br clear="all" style="clear: all;"> <hr> <h2>Contents</h2> <ul> <li><a href="#multi_index_container_fwd_synopsis">Header <code>"boost/multi_index_container_fwd.hpp"</code> synopsis</a></li> <li><a href="#synopsis">Header <code>"boost/multi_index_container.hpp"</code> synopsis</a> <ul> <li><a href="#multi_index_container">Class template <code>multi_index_container</code></a> <ul> <li><a href="#complexity">Complexity</a></li> <li><a href="#instantiation_types">Instantiation types</a></li> <li><a href="#types">Nested types</a></li> <li><a href="#nested_templates">Nested class templates</a></li> <li><a href="#constructors">Constructors, copy and assignment</a></li> <li><a href="#index_retrieval">Index retrieval operations</a></li> <li><a href="#projection">Projection operations</a></li> <li><a href="#serialization">Serialization</a></li> </ul> </li> </ul> </li> </ul> <h2> <a name="multi_index_container_fwd_synopsis">Header <a href="../../../../boost/multi_index_container_fwd.hpp"><code>"boost/multi_index_container_fwd.hpp"</code></a> synopsis</a> </h2> <blockquote><pre> <span class=keyword>namespace</span> <span class=identifier>boost</span><span class=special>{</span> <span class=keyword>namespace</span> <span class=identifier>multi_index</span><span class=special>{</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>=</span><span class=identifier>indexed_by</span><span class=special><</span><span class=identifier>ordered_unique</span><span class=special><</span><span class=identifier>identity</span><span class=special><</span><span class=identifier>Value</span><span class=special>></span> <span class=special>></span> <span class=special>>,</span> <span class=keyword>typename</span> <span class=identifier>Allocator</span><span class=special>=</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>allocator</span><span class=special><</span><span class=identifier>Value</span><span class=special>></span> <span class=special>></span> <span class=keyword>class</span> <span class=identifier>multi_index_container</span><span class=special>;</span> <span class=special>}</span> <span class=comment>// namespace boost::multi_index</span> <span class=keyword>using</span> <span class=identifier>multi_index</span><span class=special>::</span><span class=identifier>multi_index_container</span><span class=special>;</span> <span class=special>}</span> <span class=comment>// namespace boost</span> </pre></blockquote> <p> <code>multi_index_container_fwd.hpp</code> forward declares the class template <a href="#multi_index_container"><code>multi_index_container</code></a> and specifies its default parameters. </p> <h2> <a name="synopsis">Header <a href="../../../../boost/multi_index_container.hpp"><code>"boost/multi_index_container.hpp"</code></a> synopsis</a> </h2> <blockquote><pre> <span class=keyword>namespace</span> <span class=identifier>boost</span><span class=special>{</span> <span class=keyword>namespace</span> <span class=identifier>multi_index</span><span class=special>{</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span><span class=special>></span> <span class=keyword>class</span> <span class=identifier>multi_index_container</span><span class=special>;</span> <span class=comment>// multi_index_container associated global class templates:</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index</span><span class=special>;</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index</span><span class=special>;</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index_iterator</span><span class=special>;</span> <span class=comment><b>// deprecated</b></span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index_const_iterator</span><span class=special>;</span> <span class=comment><b>// deprecated</b></span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index_iterator</span><span class=special>;</span> <span class=comment><b>// deprecated</b></span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index_const_iterator</span><span class=special>;</span> <span class=comment><b>// deprecated</b></span> <span class=comment>// multi_index_container global functions for index retrieval:</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>const</span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>const</span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>);</span> <span class=comment>// multi_index_container global functions for projection of iterators:</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>const_iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>const_iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>);</span> <span class=comment>// comparison:</span> <span class=comment>// <b>OP</b> is any of ==,<,!=,>,>=,<=</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Value1</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList1</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator1</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value2</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList2</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator2</span> <span class=special>></span> <span class=keyword>bool</span> <span class=keyword>operator</span> <b><i>OP</i></b><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value1</span><span class=special>,</span><span class=identifier>IndexSpecifierList1</span><span class=special>,</span><span class=identifier>Allocator1</span><span class=special>>&</span> <span class=identifier>x</span><span class=special>,</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value2</span><span class=special>,</span><span class=identifier>IndexSpecifierList2</span><span class=special>,</span><span class=identifier>Allocator2</span><span class=special>>&</span> <span class=identifier>y</span><span class=special>);</span> <span class=comment>// specialized algorithms:</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span><span class=special>></span> <span class=keyword>void</span> <span class=identifier>swap</span><span class=special>(</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>x</span><span class=special>,</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>y</span><span class=special>);</span> <span class=special>}</span> <span class=comment>// namespace boost::multi_index</span> <span class=keyword>using</span> <span class=identifier>multi_index</span><span class=special>::</span><span class=identifier>multi_index_container</span><span class=special>;</span> <span class=keyword>using</span> <span class=identifier>multi_index</span><span class=special>::</span><span class=identifier>get</span><span class=special>;</span> <span class=keyword>using</span> <span class=identifier>multi_index</span><span class=special>::</span><span class=identifier>project</span><span class=special>;</span> <span class=special>}</span> <span class=comment>// namespace boost</span> </pre></blockquote> <h3><a name="multi_index_container"> Class template <code>multi_index_container</code> </a></h3> <p> This is the main component of Boost.MultiIndex. A <code>multi_index_container</code> is a container class template holding a compile-time user-defined list of <a href="indices.html">indices</a>. These indices provide different interfaces for the management of the elements of the <code>multi_index_container</code>. By itself, <code>multi_index_container</code> only provides basic functionality for construction and for access to the indices held. </p> <p> A <code>multi_index_container</code> type is instantiated with the type of the elements contained and a non-empty <a href="../../../../libs/mpl/doc/refmanual/forward-sequence.html"> <code>MPL Forward Sequence</code></a> specifying which indices conform the class. </p> <p> For convenience of use, all public methods and types of the first index specified are inherited by <code>multi_index_container</code>. This also includes global operators and functions associated with the index (vg. comparison and <code>swap</code>.) </p> <blockquote><pre> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>=</span><span class=identifier>indexed_by</span><span class=special><</span><span class=identifier>ordered_unique</span><span class=special><</span><span class=identifier>identity</span><span class=special><</span><span class=identifier>Value</span><span class=special>></span> <span class=special>></span> <span class=special>>,</span> <span class=keyword>typename</span> <span class=identifier>Allocator</span><span class=special>=</span><span class=identifier>std</span><span class=special>::</span><span class=identifier>allocator</span><span class=special><</span><span class=identifier>Value</span><span class=special>></span> <span class=special>></span> <span class=keyword>class</span> <span class=identifier>multi_index_container</span> <span class=special>{</span> <span class=keyword>public</span><span class=special>:</span> <span class=comment>// types:</span> <span class=keyword>typedef</span> <b>implementation defined</b> <span class=identifier>ctor_args_list</span><span class=special>;</span> <span class=keyword>typedef</span> <b>implementation defined</b> <span class=identifier>index_specifier_type_list</span><span class=special>;</span> <span class=keyword>typedef</span> <b>implementation defined</b> <span class=identifier>index_type_list</span><span class=special>;</span> <span class=keyword>typedef</span> <b>implementation defined</b> <span class=identifier>iterator_type_list</span><span class=special>;</span> <span class=keyword>typedef</span> <b>implementation defined</b> <span class=identifier>const_iterator_type_list</span><span class=special>;</span> <span class=keyword>typedef</span> <span class=identifier>Allocator</span> <span class=identifier>allocator_type</span><span class=special>;</span> <span class=comment>// nested class templates:</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index</span> <span class=special>{</span><span class=keyword>typedef</span> <b>implementation defined</b> <span class=identifier>type</span><span class=special>;};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index</span> <span class=special>{</span><span class=keyword>typedef</span> <b>implementation defined</b> <span class=identifier>type</span><span class=special>;};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span><span class=keyword>typedef</span> <b><span class=identifier>implementation</span> <span class=identifier>defined</span></b> <span class=identifier>type</span><span class=special>;};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index_const_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span><span class=keyword>typedef</span> <b><span class=identifier>implementation</span> <span class=identifier>defined</span></b> <span class=identifier>type</span><span class=special>;};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span><span class=keyword>typedef</span> <b><span class=identifier>implementation</span> <span class=identifier>defined</span></b> <span class=identifier>type</span><span class=special>;};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index_const_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span><span class=keyword>typedef</span> <b><span class=identifier>implementation</span> <span class=identifier>defined</span></b> <span class=identifier>type</span><span class=special>;};</span> <span class=comment>// construct/copy/destroy:</span> <span class=keyword>explicit</span> <span class=identifier>multi_index_container</span><span class=special>( </span><span class=keyword>const</span> <span class=identifier>ctor_args_list</span><span class=special>&</span> <span class=identifier>args_list</span><span class=special>=</span><span class=identifier>ctor_args_list</span><span class=special>(), </span><span class=keyword>const</span> <span class=identifier>allocator_type</span><span class=special>&</span> <span class=identifier>al</span><span class=special>=</span><span class=identifier>allocator_type</span><span class=special>());</span> <span class=keyword>explicit</span> <span class=identifier>multi_index_container</span><span class=special>(</span><span class=keyword>const</span> <span class=identifier>allocator_type</span><span class=special>&</span> <span class=identifier>al</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>InputIterator</span><span class=special>></span> <span class=identifier>multi_index_container</span><span class=special>(</span> <span class=identifier>InputIterator</span> <span class=identifier>first</span><span class=special>,</span><span class=identifier>InputIterator</span> <span class=identifier>last</span><span class=special>,</span> <span class=keyword>const</span> <span class=identifier>ctor_args_list</span><span class=special>&</span> <span class=identifier>args_list</span><span class=special>=</span><span class=identifier>ctor_args_list</span><span class=special>(), </span><span class=keyword>const</span> <span class=identifier>allocator_type</span><span class=special>&</span> <span class=identifier>al</span><span class=special>=</span><span class=identifier>allocator_type</span><span class=special>());</span> <span class=identifier>multi_index_container</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>x</span><span class=special>);</span> <span class=special>~</span><span class=identifier>multi_index_container</span><span class=special>();</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=keyword>operator</span><span class=special>=(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>x</span><span class=special>);</span> <span class=identifier>allocator_type</span> <span class=identifier>get_allocator</span><span class=special>()</span><span class=keyword>const</span><span class=special>;</span> <span class=comment>// retrieval of indices</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span><span class=identifier>N</span><span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>();</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>const</span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span><span class=identifier>N</span><span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>()</span><span class=keyword>const</span><span class=special>;</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>()</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>const</span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>()</span><span class=keyword>const</span><span class=special>;</span> <span class=comment>// projection of iterators</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span><span class=identifier>N</span><span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>iterator</span> <span class=identifier>project</span><span class=special>(</span><span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span><span class=identifier>N</span><span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>const_iterator</span> <span class=identifier>project</span><span class=special>(</span><span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>)</span><span class=keyword>const</span><span class=special>;</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>iterator</span> <span class=identifier>project</span><span class=special>(</span><span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>);</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>const_iterator</span> <span class=identifier>project</span><span class=special>(</span><span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>)</span><span class=keyword>const</span><span class=special>;</span> <span class=special>};</span> <span class=comment>// multi_index_container associated global class templates:</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index</span> <span class=special>{</span> <span class=keyword>typedef</span> <span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>::</span><span class=identifier>nth_index</span><span class=special><</span><span class=identifier>N</span><span class=special>>::</span><span class=identifier>type</span> <span class=identifier>type</span><span class=special>;</span> <span class=special>};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index</span> <span class=special>{</span> <span class=keyword>typedef</span> <span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>::</span><span class=identifier>index</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>::</span><span class=identifier>type</span> <span class=identifier>type</span><span class=special>;</span> <span class=special>};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span> <span class=keyword>typedef</span> <span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>::</span><span class=identifier>nth_index_iterator</span><span class=special><</span><span class=identifier>N</span><span class=special>>::</span><span class=identifier>type</span> <span class=identifier>type</span><span class=special>;</span> <span class=special>};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>int</span> <span class=identifier>N</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>nth_index_const_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span> <span class=keyword>typedef</span> <span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>::</span><span class=identifier>nth_index_const_iterator</span><span class=special><</span><span class=identifier>N</span><span class=special>>::</span><span class=identifier>type</span> <span class=identifier>type</span><span class=special>;</span> <span class=special>};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span> <span class=keyword>typedef</span> <span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>::</span><span class=identifier>index_iterator</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>::</span><span class=identifier>type</span> <span class=identifier>type</span><span class=special>;</span> <span class=special>};</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>></span> <span class=keyword>struct</span> <span class=identifier>index_const_iterator</span> <span class=comment><b>// deprecated</b></span> <span class=special>{</span> <span class=keyword>typedef</span> <span class=keyword>typename</span> <span class=identifier>MultiIndexContainer</span><span class=special>::</span><span class=identifier>index_const_iterator</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>::</span><span class=identifier>type</span> <span class=identifier>type</span><span class=special>;</span> <span class=special>};</span> <span class=comment>// multi_index_container global functions for index retrieval:</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=identifier>get</span><span class=special><</span><span class=identifier>N</span><span class=special>>();</span> <span class=special>}</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>const</span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=identifier>get</span><span class=special><</span><span class=identifier>N</span><span class=special>>();</span> <span class=special>}</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=identifier>get</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>();</span> <span class=special>}</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>const</span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>&</span> <span class=identifier>get</span><span class=special>(</span><span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=identifier>get</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>();</span> <span class=special>}</span> <span class=comment>// multi_index_container global functions for projection of iterators:</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=keyword>template</span> <span class=identifier>project</span><span class=special><</span><span class=identifier>N</span><span class=special>>(</span><span class=identifier>it</span><span class=special>);</span> <span class=special>}</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>int</span> <span class=identifier>N</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>nth_index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>N</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>const_iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=keyword>template</span> <span class=identifier>project</span><span class=special><</span><span class=identifier>N</span><span class=special>>(</span><span class=identifier>it</span><span class=special>);</span> <span class=special>}</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=keyword>template</span> <span class=identifier>project</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>(</span><span class=identifier>it</span><span class=special>);</span> <span class=special>}</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Tag</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IteratorType</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span> <span class=special>></span> <span class=keyword>typename</span> <span class=identifier>index</span><span class=special><</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>,</span><span class=identifier>Tag</span> <span class=special>>::</span><span class=identifier>type</span><span class=special>::</span><span class=identifier>const_iterator</span> <span class=identifier>project</span><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>m</span><span class=special>,</span> <span class=identifier>IteratorType</span> <span class=identifier>it</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>m</span><span class=special>.</span><span class=keyword>template</span> <span class=identifier>project</span><span class=special><</span><span class=identifier>Tag</span><span class=special>>(</span><span class=identifier>it</span><span class=special>);</span> <span class=special>}</span> <span class=comment>// comparison:</span> <span class=comment>// <b>OP</b> is any of ==,<,!=,>,>=,<=</span> <span class=keyword>template</span><span class=special><</span> <span class=keyword>typename</span> <span class=identifier>Value1</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList1</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator1</span><span class=special>,</span> <span class=keyword>typename</span> <span class=identifier>Value2</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList2</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator2</span> <span class=special>></span> <span class=keyword>bool</span> <span class=keyword>operator</span> <b><i>OP</i></b><span class=special>(</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value1</span><span class=special>,</span><span class=identifier>IndexSpecifierList1</span><span class=special>,</span><span class=identifier>Allocator1</span><span class=special>>&</span> <span class=identifier>x</span><span class=special>,</span> <span class=keyword>const</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value2</span><span class=special>,</span><span class=identifier>IndexSpecifierList2</span><span class=special>,</span><span class=identifier>Allocator2</span><span class=special>>&</span> <span class=identifier>y</span><span class=special>)</span> <span class=special>{</span> <span class=keyword>return</span> <span class=identifier>get</span><span class=special><</span><span class=number>0</span><span class=special>>(</span><span class=identifier>x</span><span class=special>)</span> <b><i>OP</i></b> <span class=identifier>get</span><span class=special><</span><span class=number>0</span><span class=special>>(</span><span class=identifier>y</span><span class=special>);</span> <span class=special>}</span> <span class=comment>// specialized algorithms:</span> <span class=keyword>template</span><span class=special><</span><span class=keyword>typename</span> <span class=identifier>Value</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=keyword>typename</span> <span class=identifier>Allocator</span><span class=special>></span> <span class=keyword>void</span> <span class=identifier>swap</span><span class=special>(</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>x</span><span class=special>,</span> <span class=identifier>multi_index_container</span><span class=special><</span><span class=identifier>Value</span><span class=special>,</span><span class=identifier>IndexSpecifierList</span><span class=special>,</span><span class=identifier>Allocator</span><span class=special>>&</span> <span class=identifier>y</span><span class=special>)</span> <span class=special>{</span> <span class=identifier>x</span><span class=special>.</span><span class=identifier>swap</span><span class=special>(</span><span class=identifier>y</span><span class=special>);</span> <span class=special>}</span> <span class=special>}</span> <span class=comment>// namespace boost::multi_index</span> <span class=special>}</span> <span class=comment>// namespace boost</span> </pre></blockquote> <h4><a name="complexity">Complexity</a></h4> <p> In the descriptions of operations of <code>multi_index_container</code>, we adopt the scheme outlined in the <a href="indices.html#complexity_signature">complexity signature section</a>. </p> <h4><a name="instantiation_types">Instantiation types</a></h4> <p> <code>multi_index_container</code> is instantiated with the following types: <ol> <li><code>Value</code> is the <a href="http://www.sgi.com/tech/stl/Assignable.html"><code>Assignable</code></a> type of the elements contained. </li> <li><code>IndexSpecifierList</code> specifies the indices that the <code>multi_index_container</code> is composed of. It must be a non-empty <a href="../../../../libs/mpl/doc/refmanual/forward-sequence.html"> <code>MPL Forward Sequence</code></a> (and, preferrably, an <a href="../../../../libs/mpl/doc/refmanual/random-access-sequence.html"> <code>MPL Random Access Sequence</code></a>) of index specifiers. For syntactic convenience, the <a href="indices.html#indexed_by"><code>indexed_by</code></a> MPL sequence can be used. </li> <li><code>Allocator</code> must be an allocator of <code>Value</code> objects satisfying the associated C++ requirements at <b>[lib.allocator.requirements]</b>. The following relaxations to the standard requirements are allowed: <ul> <li>Non-equal allocator instances are supported: swapping two non-equal instances must not throw any exception. </li> <li>For every type <code>T</code>, the type <code>Allocator::rebind<T>::other::pointer</code> can be any kind of <a href="http://www.sgi.com/tech/stl/RandomAccessIterator.html"><code>Random Access Iterator</code></a>, provided that it is explicitly constructible from the literal <code>0</code> (standing here as the null pointer) or from any <code>p</code> of type <code>T*</code> pointing into an area allocated by some instance of <code>Allocator</code> or some other allocator type rebound from <code>Allocator</code>. A <code>pointer</code> constructed from <code>p</code> shall dereference to <code>*p</code>. </li> </ul> </li> </ol> Indices of a given <code>multi_index_container</code> instantiation cannot have duplicate <a href="indices.html#tags">tags</a>, either within a single index or in two different indices. </p> <h4><a name="types">Nested types</a></h4> <code>ctor_args_list</code> <blockquote> Although the exact definition of <code>ctor_args_list</code> is implementation defined, from the user point of view this type can be treated as equivalent to <code>::boost::tuple<C<sub>0</sub>,...,C<sub>I-1</sub>></code>, where <code>C<sub>i</sub></code> is the <code>ctor_args</code> type of the <code>i</code>-th index held by the <code>multi_index_container</code>, in the same order as they were specified. Strictly speaking, there is an implicit conversion from <code>const ::boost::tuple<C<sub>0</sub>,...,C<sub>I-1</sub>>&</code> to <code>const ctor_args_list&</code>. This type is used for providing the construction arguments of the indices of the <code>multi_index_container</code>. <code>ctor_args_list</code> is <a href="http://www.sgi.com/tech/stl/DefaultConstructible.html"><code>Default Constructible</code></a>, provided that all <code>ctor_args</code> types involved are default constructible. </blockquote> <code>index_specifier_type_list</code> <blockquote> Same type as <code>IndexSpecifierList</code>. </blockquote> <code>index_type_list</code> <blockquote> Model of <a href="../../../../libs/mpl/doc/refmanual/random-access-sequence.html"> <code>MPL Random Access Sequence</code></a> and <a href="../../../../libs/mpl/doc/refmanual/extensible-sequence.html"> <code>MPL Extensible Sequence</code></a> containing the types of the indices held by the <code>multi_index_container</code>, in the same order as they were specified. </blockquote> <code>iterator_type_list</code> <blockquote> Model of <a href="../../../../libs/mpl/doc/refmanual/random-access-sequence.html"> <code>MPL Random Access Sequence</code></a> and <a href="../../../../libs/mpl/doc/refmanual/extensible-sequence.html"> <code>MPL Extensible Sequence</code></a> containing the types of the iterators of the indices held by the <code>multi_index_container</code>, in the same order as they were specified. </blockquote> <code>const_iterator_type_list</code> <blockquote> Model of <a href="../../../../libs/mpl/doc/refmanual/random-access-sequence.html"> <code>MPL Random Access Sequence</code></a> and <a href="../../../../libs/mpl/doc/refmanual/extensible-sequence.html"> <code>MPL Extensible Sequence</code></a> containing the types of the constant iterators of the indices held by the <code>multi_index_container</code>, in the same order as they were specified. </blockquote> <h4><a name="nested_templates">Nested class templates</a></h4> <code>template<int N> struct nth_index</code> <blockquote> <code>nth_index<N>::type</code> yields the type of the <code>N</code>-th (0-based) index held by the <code>multi_index_container</code>, in the same order as they were specified.<br> <b>Requires:</b> <code>0 <= N < I</code>. </blockquote> <code>template<typename Tag> struct index</code> <blockquote> <code>index<Tag>::type</code> yields the type of the index which has <code>Tag</code> as an associated <a href="indices.html#tags">tag type</a>.<br> <b>Requires:</b> Some index of the <code>multi_index_container</code> has <code>Tag</code> as an associated tag type. </blockquote> <code>template<int N> struct nth_index_iterator</code> <blockquote> <code>nth_index_iterator<N>::type</code> is equivalent to <code>nth_index<N>::type::iterator</code>.<br> <b>Note:</b> The use of <code>nth_index_iterator</code> is deprecated. </blockquote> <code>template<int N> struct nth_index_const_iterator</code> <blockquote> <code>nth_index_const_iterator<N>::type</code> is equivalent to <code>nth_index<N>::type::const_iterator</code>.<br> <b>Note:</b> The use of <code>nth_index_const_iterator</code> is deprecated. </blockquote> <code>template<typename Tag> struct index_iterator</code> <blockquote> <code>index_iterator<Tag>::type</code> is equivalent to <code>index<Tag>::type::iterator</code>.<br> <b>Note:</b> The use of <code>index_iterator</code> is deprecated. </blockquote> <code>template<typename Tag> struct index_const_iterator</code> <blockquote> <code>index_const_iterator<Tag>::type</code> is equivalent to <code>index<Tag>::type::const_iterator</code>.<br> <b>Note:</b> The use of <code>index_const_iterator</code> is deprecated. </blockquote> <h4><a name="constructors">Constructors, copy and assignment</a></h4> <code>explicit multi_index_container(<br> const ctor_args_list& args_list=ctor_args_list(),<br> const allocator_type& al=allocator_type());</code> <blockquote> <b>Effects:</b> Constructs an empty <code>multi_index_container</code> using the specified argument list and allocator.<br> <b>Complexity:</b> Constant. </blockquote> <code>explicit multi_index_container(const allocator_type& al);</code> <blockquote> <b>Effects:</b> Constructs an empty <code>multi_index_container</code> using the specified allocator and the default value of <code>ctor_args_list</code>.<br> <b>Complexity:</b> Constant. </blockquote> <code>template<typename InputIterator><br> multi_index_container(<br> InputIterator first,InputIterator last,<br> const ctor_args_list& comp=ctor_args_list(),<br> const allocator_type& al=allocator_type());</code> <blockquote> <b>Requires:</b> <code>InputIterator</code> is a model of <a href="http://www.sgi.com/tech/stl/InputIterator.html"> <code>Input Iterator</code></a> over elements of type <code>Value</code> or a type convertible to <code>Value</code>. <code>last</code> is reachable from <code>first</code>.<br> <b>Effects:</b> Constructs and empty <code>multi_index_container</code> using the specified argument list and allocator and fills it with the elements in the range [<code>first</code>,<code>last</code>). Insertion of each element may or may not succeed depending on the acceptance by all the indices of the <code>multi_index_container</code>.<br> <b>Complexity:</b> <code>O(m*H(m))</code>, where <code>m</code> is the number of elements in [<code>first</code>,<code>last</code>).<br> </blockquote> <code>multi_index_container(<br> const multi_index_container<Value,IndexSpecifierList,Allocator>& x);</code> <blockquote> <b>Effects:</b> Constructs a copy of <code>x</code>, copying its elements as well as its internal objects (key extractors, comparison objects, allocator.)<br> <b>Postconditions:</b> <code>*this==x</code>. The order on every index of the <code>multi_index_container</code> is preserved as well.<br> <b>Complexity:</b> <code>O(x.size()*log(x.size()) + C(x.size()))</code>. </blockquote> <code>~multi_index_container()</code> <blockquote> <b>Effects:</b> Destroys the <code>multi_index_container</code> and all the elements contained. The order in which the elements are destroyed is not specified.<br> <b>Complexity:</b> <code>O(n)</code>. </blockquote> <code>multi_index_container<Value,IndexSpecifierList,Allocator>& operator=(<br> const multi_index_container<Value,IndexSpecifierList,Allocator>& x);</code> <blockquote> Replaces the elements and internal objects of the <code>multi_index_container</code> with copies from <code>x</code>.<br> <b>Postconditions:</b> <code>*this==x</code>. The order on every index of the <code>multi_index_container</code> is preserved as well.<br> <b>Returns:</b> <code>*this</code>.<br> <b>Complexity:</b> <code>O(n + x.size()*log(x.size()) + C(x.size()))</code>.<br> <b>Exception safety:</b> Strong, provided the copy and assignment operations of the types of <code>ctor_args_list</code> do not throw. </blockquote> <code>allocator_type get_allocator()const;</code> <blockquote> Returns a copy of the <code>allocator_type</code> object used to construct the <code>multi_index_container</code>.<br> <b>Complexity:</b> Constant. </blockquote> <h4><a name="index_retrieval">Index retrieval operations</a></h4> <code>template<int N> typename nth_index<N>::type& get();</code> <blockquote> <b>Requires:</b> <code>0 <= N < I</code>.<br> <b>Effects:</b> Returns a reference to the <code>nth_index<N>::type</code> index held by <code>*this</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <code>template<int N> const typename nth_index<N>::type& get()const;</code> <blockquote> <b>Requires:</b> <code>0 <= N < I</code>.<br> <b>Effects:</b> Returns a <code>const</code> reference to the <code>nth_index<N>::type</code> index held by <code>*this</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <code>template<typename Tag> typename index<Tag>::type& get()</code> <blockquote> <b>Requires:</b> <code>Tag</code> is such that <code>index<Tag>::type</code> is valid.<br> <b>Effects:</b> Returns a reference to the <code>index<Tag>::type</code> index held by <code>*this</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <code>template<typename Tag> const typename index<Tag>::type& get()const;</code> <blockquote> <b>Requires:</b> <code>Tag</code> is such that <code>index<Tag>::type</code> is valid.<br> <b>Effects:</b> Returns a <code>const</code> reference to the <code>index<Tag>::type</code> index held by <code>*this</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <h4><a name="projection">Projection operations</a></h4> <p> Given a <code>multi_index_container</code> with indices <code>i1</code> and <code>i2</code>, we say than an <code>i1</code>-iterator <code>it1</code> and an <code>i2</code>-iterator <code>it2</code> are <i>equivalent</i> if: <ul> <li> <code>it1==i1.end()</code> AND <code>it2==i2.end()</code>,</li> <li> OR <code>it1</code> and <code>it2</code> point to the same element.</li> </ul> </p> <code>template<int N,typename IteratorType><br> typename nth_index<N>::type::iterator project(IteratorType it);</code> <blockquote> <b>Requires:</b> <code>0 <= N < I</code>. <code>IteratorType</code> belongs to <code>iterator_type_list</code>. <code>it</code> is a valid iterator of some index of <code>*this</code> (i.e. does not refer to some other <code>multi_index_container</code>.)<br> <b>Effects:</b> Returns an <code>nth_index<N>::type::iterator</code> equivalent to <code>it</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <code>template<int N,typename IteratorType><br> typename nth_index<N>::type::const_iterator project(IteratorType it)const;</code> <blockquote> <b>Requires:</b> <code>0 <= N < I</code>. <code>IteratorType</code> belongs to <code>const_iterator_type_list</code> or <code>iterator_type_list</code>. <code>it</code> is a valid (constant or non-constant) iterator of some index of <code>*this</code> (i.e. does not refer to some other <code>multi_index_container</code>.)<br> <b>Effects:</b> Returns an <code>nth_index<N>::type::const_iterator</code> equivalent to <code>it</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <code>template<typename Tag,typename IteratorType><br> typename index<Tag>::type::iterator project(IteratorType it);</code> <blockquote> <b>Requires:</b> <code>Tag</code> is such that <code>index<Tag>::type</code> is valid. <code>IteratorType</code> belongs to <code>iterator_type_list</code>. <code>it</code> is a valid iterator of some index of <code>*this</code> (i.e. does not refer to some other <code>multi_index_container</code>.)<br> <b>Effects:</b> Returns an <code>index<Tag>::type::iterator</code> equivalent to <code>it</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <code>template<typename Tag,typename IteratorType><br> typename index<Tag>::type::const_iterator project(IteratorType it)const;</code> <blockquote> <b>Requires:</b> <code>Tag</code> is such that <code>index<Tag>::type</code> is valid. <code>IteratorType</code> belongs to <code>const_iterator_type_list</code> or <code>iterator_type_list</code>. <code>it</code> is a valid (constant or non-constant) iterator of some index of <code>*this</code> (i.e. does not refer to some other <code>multi_index_container</code>.)<br> <b>Effects:</b> Returns an <code>index<Tag>::type::const_iterator</code> iterator equivalent to <code>it</code>.<br> <b>Complexity:</b> Constant.<br> <b>Exception safety:</b> <code>nothrow</code>. </blockquote> <h4><a name="serialization">Serialization</a></h4> <p> <code>multi_index_container</code>s can be archived/retrieved by means of <a href="../../../serialization/index.html">Boost.Serialization</a>. Boost.MultiIndex does not expose a public serialization interface, as this is provided by Boost.Serialization itself. Both regular and XML archives are supported. </p> <p> Each of the indices comprising a given <code>multi_index_container</code> contributes its own preconditions as well as guarantees on the retrieved containers. In describing these, the following concepts are used. A type <code>T</code> is <i>serializable</i> (resp. XML-serializable) if any object of type <code>T</code> can be saved to an output archive (XML archive) and later retrieved from an input archive (XML archive) associated to the same storage. If <code>x'</code> of type <code>T</code> is loaded from the serialization information saved from another object <code>x</code>, we say that <code>x'</code> is a <i>restored copy</i> of <code>x</code>. Given a <a href="http://www.sgi.com/tech/stl/BinaryPredicate.html"><code>Binary Predicate</code></a> <code>Pred</code> over (<code>T</code>, <code>T</code>), and objects <code>p</code> and <code>q</code> of type <code>Pred</code>, we say that <code>q</code> is <i>serialization-compatible</i> with <code>p</code> if <blockquote> <code>p(x,y) == q(x',y')</code> </blockquote> for every <code>x</code> and <code>y</code> of type <code>T</code> and <code>x'</code> and <code>y'</code> being restored copies of <code>x</code> and <code>y</code>, respectively. </p> Operation: saving of a <code>multi_index_container</code> <code>m</code> to an output archive (XML archive) <code>ar</code>. <blockquote> <b>Requires:</b> <code>Value</code> is serializable (XML-serializable). Additionally, each of the indices of <code>m</code> can impose another requirements.<br> <b>Exception safety:</b> Strong with respect to <code>m</code>. If an exception is thrown, <code>ar</code> may be left in an inconsistent state. </blockquote> Operation: loading of a <code>multi_index_container</code> <code>m'</code> from an input archive (XML archive) <code>ar</code>. <blockquote> <b>Requires:</b> <code>Value</code> is serializable (XML-serializable). Additionally, each of the indices of <code>m'</code> can impose another requirements.<br> <b>Exception safety:</b> Basic. If an exception is thrown, <code>ar</code> may be left in an inconsistent state. </blockquote> <hr> <div class="prev_link"><a href="index.html"><img src="../prev.gif" alt="Boost.MultiIndex reference" border="0"><br> Boost.MultiIndex reference </a></div> <div class="up_link"><a href="index.html"><img src="../up.gif" alt="Boost.MultiIndex reference" border="0"><br> Boost.MultiIndex reference </a></div> <div class="next_link"><a href="indices.html"><img src="../next.gif" alt="index reference" border="0"><br> Index reference </a></div><br clear="all" style="clear: all;"> <br> <p>Revised November 6th 2008</p> <p>© Copyright 2003-2008 Joaquín M López Muñoz. Distributed under the Boost Software License, Version 1.0. (See accompanying file <a href="../../../../LICENSE_1_0.txt"> LICENSE_1_0.txt</a> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt"> http://www.boost.org/LICENSE_1_0.txt</a>) </p> </body> </html>