multimap_operators.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head>  <meta name="generator" content=  "HTML Tidy for Linux/x86 (vers 1 September 2005), see www.w3.org">  <title>Multimap operators</title>  <link href="../cppreference.css" rel="stylesheet" type="text/css"></head><body><table>  <tr>  <td>  <div class="body-content">  <div class="header-box">    <a href="../index.html">cppreference.com</a> &gt; <a href=    "index.html">C++ Multimaps</a> &gt; <a href=    "multimap_operators.html">Multimap operators</a>  </div>  <div class="name-format">    Multimap operators  </div>  <div class="syntax-name-format">    Syntax:  </div>  <pre class="syntax-box">  #include &lt;map&gt;  multimap operator=(const multimap&amp; c2);  bool operator==(const multimap&amp; c1, const multimap&amp; c2);  bool operator!=(const multimap&amp; c1, const multimap&amp; c2);  bool operator&lt;(const multimap&amp; c1, const multimap&amp; c2);  bool operator&gt;(const multimap&amp; c1, const multimap&amp; c2);  bool operator&lt;=(const multimap&amp; c1, const multimap&amp; c2);  bool operator&gt;=(const multimap&amp; c1, const multimap&amp; c2);</pre>  <p>All of the C++ containers can be compared and assigned with the  standard comparison operators: ==, !=, &lt;=, &gt;=, &lt;, &gt;, and  =. Performing a comparison or assigning one multimap to another takes  <a href="../complexity.html">linear time</a>.</p>  <p>Two multimaps are equal if:</p>  <ol>    <li>Their size is the same, and</li>    <li>Each member in location i in one multimap is equal to the the    member in location i in the other multimap.</li>  </ol>  <p>Comparisons among multimaps are done lexicographically.</p>  <div class="related-name-format">    Related topics:  </div>  <div class="related-content">    <a href="multimap_constructors.html">Multimap Constructors</a>  </div>  </div>  </td>    </tr>  </table></body></html>

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