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<body>
<div class="document" id="boost-pointer-container-library">
<h1 class="title"><img alt="Boost" src="boost.png" /> Pointer Container Library</h1>
<div class="section">
<h1><a id="class-ptr-list" name="class-ptr-list">Class <tt class="docutils literal"><span class="pre">ptr_list</span></tt></a></h1>
<p>A <tt class="docutils literal"><span class="pre">ptr_list&lt;T&gt;</span></tt> is a pointer container that uses an underlying <tt class="docutils literal"><span class="pre">std:list&lt;void*&gt;</span></tt>
to store the pointers.</p>
<p><strong>Hierarchy:</strong></p>
<ul class="simple">
<li><a class="reference" href="reversible_ptr_container.html">reversible_ptr_container</a><ul>
<li><a class="reference" href="ptr_sequence_adapter.html">ptr_sequence_adapter</a><ul>
<li><a class="reference" href="ptr_vector.html">ptr_vector</a></li>
<li><tt class="docutils literal"><span class="pre">ptr_list</span></tt></li>
<li><a class="reference" href="ptr_deque.html">ptr_deque</a></li>
<li><a class="reference" href="ptr_array.html">ptr_array</a></li>
</ul>
</li>
</ul>
</li>
</ul>
<p><strong>Navigate:</strong></p>
<ul class="simple">
<li><a class="reference" href="ptr_container.html">home</a></li>
<li><a class="reference" href="reference.html">reference</a></li>
</ul>
<p><strong>Synopsis:</strong></p>
<pre class="literal-block">
namespace boost
{      

    template
    &lt; 
        class T, 
        class CloneAllocator = heap_clone_allocator,
        class Allocator      = std::allocator&lt;void*&gt;
    &gt;
    class ptr_list : public ptr_sequence_adapter
                            &lt;
                                T,
                                std::list&lt;void*,Allocator&gt;,
                                CloneAllocator
                            &gt;
    {
    
    public: // <a class="reference" href="#modifiers">modifiers</a>
        void                push_front( T* x );
        template&lt; class U &gt;
        void                push_front( std::auto_ptr&lt;U&gt; x );
        auto_type           pop_front();
     
    public: // <a class="reference" href="#list-operations">list operations</a>
        void  reverse();

    }; // class 'ptr_list'

} // namespace 'boost'  
</pre>
</div>
<div class="section">
<h1><a id="semantics" name="semantics">Semantics</a></h1>
<div class="section">
<h2><a id="semantics-modifiers" name="semantics-modifiers"><span id="modifiers"></span>Semantics: modifiers</a></h2>
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">push_front(</span> <span class="pre">T*</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">x</span> <span class="pre">!=</span> <span class="pre">0</span></tt></li>
<li>Effects: Inserts the pointer into container and takes ownership of it</li>
<li>Throws: <tt class="docutils literal"><span class="pre">bad_pointer</span></tt> if <tt class="docutils literal"><span class="pre">x</span> <span class="pre">==</span> <span class="pre">0</span></tt></li>
<li>Exception safety: Strong guarantee</li>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">U</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">push_front(</span> <span class="pre">std::auto_ptr&lt;U&gt;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Effects: <tt class="docutils literal"><span class="pre">push_front(</span> <span class="pre">x.release()</span> <span class="pre">);</span></tt></li>
</ul>
</blockquote>
</li>
</ul>
<!-- - ``void push_front( const T& x );``

    - Effects: push_front( allocate_clone( x ) );

    - Exception safety: Strong guarantee -->
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">auto_type</span> <span class="pre">pop_front():</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements:<tt class="docutils literal"><span class="pre">not</span> <span class="pre">empty()</span></tt></li>
<li>Effects: Removes the first element in the container</li>
<li>Postconditions: <tt class="docutils literal"><span class="pre">size()</span></tt> is one less</li>
<li>Throws: <tt class="docutils literal"><span class="pre">bad_ptr_container_operation</span></tt> if <tt class="docutils literal"><span class="pre">empty()</span> <span class="pre">==</span> <span class="pre">true</span></tt></li>
<li>Exception safety: Strong guarantee</li>
</ul>
</blockquote>
</li>
</ul>
</div>
<div class="section">
<h2><a id="semantics-list-operations" name="semantics-list-operations"><span id="list-operations"></span>Semantics: list operations</a></h2>
<!-- - ``void splice( iterator before, ptr_list& x );``

    - Requirements:``&x != this``

    - Effects: inserts the all of ``x``'s elements before ``before``

    - Postconditions: ``x.empty()``
    
    - Throws: nothing

    - Remark: prefer this to ``transfer( before, x );``

- ``void  splice( iterator before, ptr_list& x, iterator i );``

    - Not ready yet

- ``void splice( iterator before, ptr_list& x, iterator first, iterator last );``

    - Not ready yet

- ``void merge( ptr_list& x );``

    - Not ready yet
     
- ``template< typename Compare > 
  void merge( ptr_list& x, Compare comp );``

    - Not ready yet -->
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">reverse();</span></tt></p>
<blockquote>
<ul class="simple">
<li>Effects: reverses the underlying sequence</li>
<li>Throws: nothing</li>
</ul>
</blockquote>
</li>
</ul>
<hr><table class="docutils field-list" frame="void" rules="none">
<col class="field-name" />
<col class="field-body" />
<tbody valign="top">
<tr class="field"><th class="field-name">Copyright:</th><td class="field-body">Thorsten Ottosen 2004-2006. Use, modification and distribution is subject to the Boost Software License, Version 1.0 (see <a class="reference" href="http://www.boost.org/LICENSE_1_0.txt">LICENSE_1_0.txt</a>).</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
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