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<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="generator" content="Docutils 0.3.9: http://docutils.sourceforge.net/" />
<title>Boost Pointer Container Library</title>
<link rel="stylesheet" href="default.css" type="text/css" />
</head>
<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" id="class-ptr-sequence-adapter">
<h1><a name="class-ptr-sequence-adapter">Class <tt class="docutils literal"><span class="pre">ptr_sequence_adapter</span></tt></a></h1>
<p>This section describes all the common operations for all the pointer
sequences:</p>
<ul class="simple">
<li><a class="reference" href="ptr_vector.html">ptr_vector</a>,</li>
<li><a class="reference" href="ptr_list.html">ptr_list</a>,</li>
<li><a class="reference" href="ptr_deque.html">ptr_deque</a>,</li>
</ul>
<p>The <tt class="docutils literal"><span class="pre">ptr_sequence_adapter</span></tt> is also a concrete class that you can use to create custom pointer
containers from.</p>
<p><strong>See also:</strong></p>
<ul class="simple">
<li><a class="reference" href="reversible_ptr_container.html">reversible_ptr_container</a></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 VoidPtrSeq,
        class CloneAllocator = heap_clone_allocator
    &gt;
    class ptr_sequence_adapter
    {
    public: // <a class="reference" href="#construct-copy-destroy">construct/copy/destroy</a>
        template&lt; class InputIterator &gt;
        assign( InputIterator first, InputIterator last );
        template&lt; class InputRange &gt;
        assign( const InputRange&amp; e );

    public: // <a class="reference" href="#element-access">element access</a>
        T&amp;        front();
        const T&amp;  front() const;
        T&amp;        back();
        const T&amp;  back() const;

    public: // <a class="reference" href="#modifiers">modifiers</a>
        void      push_back( T* x );
        auto_type pop_back();
        iterator  insert( iterator position, T* x );
        template&lt; class InputIterator &gt;
        void      insert( iterator position, InputIterator first, InputIterator last );
        template&lt; class InputRange &gt;
        void      insert( iterator position, const InputRange&amp; r );
        iterator  erase( iterator position );
        iterator  erase( iterator first, iterator last );
        template&lt; class Range &gt;
        iterator  erase( const Range&amp; r );

    public: // <a class="reference" href="#pointer-container-requirements">pointer container requirements</a>

        void  transfer( iterator before, iterator object,
                        ptr_sequence_adapter&amp; from );
        void  transfer( iterator before, iterator first, iterator last,
                        ptr_sequence_adapter&amp; from );
        void template&lt; class Range&gt;
        void transfer( iterator before, const Range&amp; r, ptr_sequence_adapter&amp; from );
        void transfer( iterator before, ptr_sequence_adapter&amp; from );

    public: // <a class="reference" href="#algorithms">algorithms</a>

        void sort();
        void sort( iterator first, iterator last );
        template&lt; class Compare &gt;
        void sort( Compare comp );
        template&lt; class Compare &gt;
        void sort( iterator begin, iterator end, Compare comp );

        void unique();
        void unique( iterator first, iterator last );
        template&lt; class Compare &gt;
        void unique( Compare comp );
        template&lt; class Compare &gt;
        void unique( iterator begin, iterator end, Compare comp );

        template&lt; class Pred &gt;
        void erase_if( Pred pred );
        template&lt; class Pred &gt;
        void erase_if( iterator begin, iterator end, Pred pred );

        void merge( ptr_sequence_adapter&amp; r );
        template&lt; class Compare &gt;
        void merge( ptr_sequence_adapter&amp; r, Compare comp );
        void merge( iterator first, iterator last, ptr_sequence_adapter&amp; from );
        template&lt; class Compare &gt;
        void merge( iterator first, iterator last, ptr_sequence_adapter&amp; from, Compare comp );

    public: // <a class="reference" href="ptr_list.html">ptr_list interface</a>

    public: // <a class="reference" href="ptr_vector.html">ptr_vector interface</a>

    public: // <a class="reference" href="ptr_deque.html">ptr_deque interface</a>

    }; //  class 'ptr_sequence_adapter'

} // namespace 'boost'
</pre>
</div>
<div class="section" id="semantics">
<h1><a name="semantics">Semantics</a></h1>
<span id="construct-copy-destroy"></span><div class="section" id="semantics-construct-copy-destroy">
<h2><a name="semantics-construct-copy-destroy">Semantics: construct/copy/destroy</a></h2>
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">InputIterator</span> <span class="pre">&gt;</span>
<span class="pre">void</span> <span class="pre">assign(</span> <span class="pre">InputIterator</span> <span class="pre">first,</span> <span class="pre">InputIterator</span> <span class="pre">last</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">(first,last]</span></tt> is a valid range</li>
<li>Effects: <tt class="docutils literal"><span class="pre">clear();</span> <span class="pre">insert(</span> <span class="pre">first,</span> <span class="pre">last</span> <span class="pre">);</span></tt></li>
<li>Postconditions: <tt class="docutils literal"><span class="pre">size()</span> <span class="pre">==</span> <span class="pre">std::distance(</span> <span class="pre">first,</span> <span class="pre">last</span> <span class="pre">);</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">InputRange</span> <span class="pre">&gt;</span>
<span class="pre">void</span> <span class="pre">assign(</span> <span class="pre">const</span> <span class="pre">InputRange&amp;</span> <span class="pre">r</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Effects: <tt class="docutils literal"><span class="pre">assign(</span> <span class="pre">boost::begin(r),</span> <span class="pre">boost::end(r)</span> <span class="pre">);</span></tt></li>
</ul>
</blockquote>
</li>
</ul>
<!-- - ``assign( size_type n, const T& u )``

- Effects: ``clear(); insert( begin(), n, u );``

- Postconditions: ``size() == n``

- Exception safety: Strong guarantee -->
<!-- void resize( size_type sz, const T& x );
Effects:

if ( sz > size() )
    insert( end(), sz-size(), x );
    else if ( sz < size() )
    erase( begin()+sz, end() );
    else
    ; //do nothing

Postconditions: size() == sz

Exception safety: Strong guarantee -->
</div>
<span id="element-access"></span><div class="section" id="semantics-element-access">
<h2><a name="semantics-element-access">Semantics: element access</a></h2>
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">T&amp;</span> <span class="pre">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: <tt class="docutils literal"><span class="pre">return</span> <span class="pre">*begin();</span></tt></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>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span> <span class="pre">front()</span> <span class="pre">const;</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: <tt class="docutils literal"><span class="pre">return</span> <span class="pre">*begin();</span></tt></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>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">T&amp;</span> <span class="pre">back();</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: <tt class="docutils literal"><span class="pre">return</span> <span class="pre">*--end();</span></tt></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>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span> <span class="pre">back()</span> <span class="pre">const;</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: <tt class="docutils literal"><span class="pre">return</span> <span class="pre">*--end();</span></tt></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>
</ul>
</blockquote>
</li>
</ul>
</div>
<span id="modifiers"></span><div class="section" id="semantics-modifiers">
<h2><a name="semantics-modifiers">Semantics: modifiers</a></h2>
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">push_back(</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>
</ul>
<!-- - ``void push_back( const T& x );``

- Effects: ``push_back( CloneAllocator::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_back();</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 last 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>
<li><p class="first"><tt class="docutils literal"><span class="pre">iterator</span> <span class="pre">insert(</span> <span class="pre">iterator</span> <span class="pre">position,</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">position</span></tt> is a valid iterator from the container and
<tt class="docutils literal"><span class="pre">x</span> <span class="pre">!=</span> <span class="pre">0</span></tt></li>
<li>Effects: Inserts <tt class="docutils literal"><span class="pre">x</span></tt> before <tt class="docutils literal"><span class="pre">position</span></tt> and returns an iterator pointing to 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>
</ul>
<!-- - ``iterator insert( iterator position, const T& x );``

- Requirements: ``position`` is a valid iterator from the container

- Effects: ``return insert( position, CloneAllocator::clone( x ) );``

- Exception safety: Strong guarantee

- ``void insert( iterator position, size_type n, const T& x );``

- Requirements: ``position`` is a valid iterator from the container

- Effects: Inserts ``n`` clones of ``x`` before position into the container

- Exception safety: Strong guarantee -->
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">InputIterator</span> <span class="pre">&gt;</span>
<span class="pre">void</span> <span class="pre">insert(</span> <span class="pre">iterator</span> <span class="pre">position,</span> <span class="pre">InputIterator</span> <span class="pre">first,</span> <span class="pre">InputIterator</span> <span class="pre">last</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">position</span></tt> is a valid iterator from the container</li>
<li>Effects: Inserts a cloned range before <tt class="docutils literal"><span class="pre">position</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">InputRange</span> <span class="pre">&gt;</span>
<span class="pre">void</span> <span class="pre">insert(</span> <span class="pre">iterator</span> <span class="pre">position,</span> <span class="pre">const</span> <span class="pre">InputRange&amp;</span> <span class="pre">r</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Effects: <tt class="docutils literal"><span class="pre">insert(</span> <span class="pre">position,</span> <span class="pre">boost::begin(r),</span> <span class="pre">boost::end(r)</span> <span class="pre">);</span></tt></li>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">iterator</span> <span class="pre">erase(</span> <span class="pre">iterator</span> <span class="pre">position</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">position</span></tt> is a valid iterator from the container</li>
<li>Effects: Removes the element defined by <tt class="docutils literal"><span class="pre">position</span></tt> and returns an iterator to the following element</li>
<li>Throws: Nothing</li>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">iterator</span> <span class="pre">erase(</span> <span class="pre">iterator</span> <span class="pre">first,</span> <span class="pre">iterator</span> <span class="pre">last</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">[first,last)</span></tt> is a valid range</li>
<li>Effects: Removes the range of element defined by <tt class="docutils literal"><span class="pre">[first,last)</span></tt> and returns an iterator to the following element</li>
<li>Throws: Nothing</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">Range</span> <span class="pre">&gt;</span>
<span class="pre">void</span> <span class="pre">erase(</span> <span class="pre">const</span> <span class="pre">Range&amp;</span> <span class="pre">r</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Effects: <tt class="docutils literal"><span class="pre">erase(</span> <span class="pre">boost::begin(r),</span> <span class="pre">boost::end(r)</span> <span class="pre">);</span></tt></li>
</ul>
</blockquote>
</li>
</ul>
</div>
<span id="pointer-container-requirements"></span><div class="section" id="semantics-pointer-container-requirements">
<h2><a name="semantics-pointer-container-requirements">Semantics: pointer container requirements</a></h2>
<p>You cannot use <tt class="docutils literal"><span class="pre">transfer()</span></tt> to move elements between two
different types of containers. This is to avoid
problems with different allocators. The requirement might be
weakened in the future.</p>
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">transfer(</span> <span class="pre">iterator</span> <span class="pre">before,</span> <span class="pre">iterator</span> <span class="pre">object,</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">from</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">not</span> <span class="pre">from.empty()</span></tt></li>
<li>Effects: Inserts the object defined by <tt class="docutils literal"><span class="pre">object</span></tt> into the container and remove it from <tt class="docutils literal"><span class="pre">from</span></tt>.
Insertion takes place before <tt class="docutils literal"><span class="pre">before</span></tt>.</li>
<li>Postconditions: <tt class="docutils literal"><span class="pre">size()</span></tt> is one more, <tt class="docutils literal"><span class="pre">from.size()</span></tt> is one less.</li>
<li>Exception safety: Strong guarantee</li>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">transfer(</span> <span class="pre">iterator</span> <span class="pre">before,</span> <span class="pre">iterator</span> <span class="pre">first,</span> <span class="pre">iterator</span> <span class="pre">last,</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">from</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">not</span> <span class="pre">from.empty()</span></tt></li>
<li>Effects: Inserts the objects defined by the range <tt class="docutils literal"><span class="pre">[first,last)</span></tt> into the container and remove it from <tt class="docutils literal"><span class="pre">from</span></tt>.
Insertion takes place before <tt class="docutils literal"><span class="pre">before</span></tt>.</li>
<li>Postconditions: Let <tt class="docutils literal"><span class="pre">N</span> <span class="pre">==</span> <span class="pre">std::distance(first,last);</span></tt> then <tt class="docutils literal"><span class="pre">size()</span></tt> is <tt class="docutils literal"><span class="pre">N</span></tt> more, <tt class="docutils literal"><span class="pre">from.size()</span></tt> is <tt class="docutils literal"><span class="pre">N</span></tt> less.</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">Range&gt;</span> <span class="pre">void</span> <span class="pre">transfer(</span> <span class="pre">iterator</span> <span class="pre">before,</span> <span class="pre">const</span> <span class="pre">Range&amp;</span> <span class="pre">r,</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">from</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Effects: <tt class="docutils literal"><span class="pre">transfer(before,</span> <span class="pre">boost::begin(r),</span> <span class="pre">boost::end(r),</span> <span class="pre">from);</span></tt></li>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">transfer(</span> <span class="pre">iterator</span> <span class="pre">before,</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">from</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Effects: Transfers all objects from <tt class="docutils literal"><span class="pre">from</span></tt> into the container. Insertion
takes place before <tt class="docutils literal"><span class="pre">before</span></tt>.</li>
<li>Postconditions: <tt class="docutils literal"><span class="pre">from.empty();</span></tt></li>
<li>Exception safety: Strong guarantee</li>
</ul>
</blockquote>
</li>
</ul>
</div>
<span id="algorithms"></span><div class="section" id="semantics-algorithms">
<h2><a name="semantics-algorithms">Semantics: algorithms</a></h2>
<p>The general requirement for these algorithms is that the container <em>does not
contain any nulls</em>.</p>
<ul>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">sort();</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">sort(</span> <span class="pre">iterator</span> <span class="pre">first,</span> <span class="pre">iterator</span> <span class="pre">last</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Compare</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">sort(</span> <span class="pre">Compare</span> <span class="pre">comp</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Compare</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">sort(</span> <span class="pre">iterator</span> <span class="pre">begin,</span> <span class="pre">iterator</span> <span class="pre">end,</span> <span class="pre">Compare</span> <span class="pre">comp</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: (versions without <tt class="docutils literal"><span class="pre">Compare</span></tt>) <tt class="docutils literal"><span class="pre">bool</span> <span class="pre">operator&lt;(</span> <span class="pre">const</span> <span class="pre">T&amp;,</span> <span class="pre">const</span> <span class="pre">T&amp;</span> <span class="pre">)</span></tt> is defined</li>
<li>Requirements: (<tt class="docutils literal"><span class="pre">Compare</span></tt> versions) <tt class="docutils literal"><span class="pre">Compare</span></tt> must take <tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span></tt> arguments</li>
<li>Effects: sorts the entire container or the specified range</li>
<li>Exception safety: nothrow guarantee (the behavior is undefined if the comparison operator throws)</li>
<li>Remarks: The versions of <tt class="docutils literal"><span class="pre">sort()</span></tt> that take two iterators are not available for <tt class="docutils literal"><span class="pre">ptr_list</span></tt></li>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">unique();</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">unique(</span> <span class="pre">iterator</span> <span class="pre">first,</span> <span class="pre">iterator</span> <span class="pre">last</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Compare</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">unique(</span> <span class="pre">Compare</span> <span class="pre">comp</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Compare</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">unique(</span> <span class="pre">iterator</span> <span class="pre">begin,</span> <span class="pre">iterator</span> <span class="pre">end,</span> <span class="pre">Compare</span> <span class="pre">comp</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: (versions without <tt class="docutils literal"><span class="pre">Compare</span></tt>) <tt class="docutils literal"><span class="pre">bool</span> <span class="pre">operator==(</span> <span class="pre">const</span> <span class="pre">T&amp;,</span> <span class="pre">const</span> <span class="pre">T&amp;</span> <span class="pre">)</span></tt> is defined</li>
<li>Requirements: (<tt class="docutils literal"><span class="pre">Compare</span></tt> versions) <tt class="docutils literal"><span class="pre">Compare</span></tt> must take <tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span></tt> arguments</li>
<li>Effects: removes adjacent and equal objects from the entire container or the specified range</li>
<li>Exception safety: nothrow guarantee (the behavior is undefined if the comparison operator throws)</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">Pred</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">erase_if(</span> <span class="pre">Pred</span> <span class="pre">pred</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Pred</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">erase_if(</span> <span class="pre">iterator</span> <span class="pre">begin,</span> <span class="pre">iterator</span> <span class="pre">end,</span> <span class="pre">Pred</span> <span class="pre">pred</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: <tt class="docutils literal"><span class="pre">Pred</span></tt> must take an <tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span></tt> argument</li>
<li>Effects: removes all elements <tt class="docutils literal"><span class="pre">t</span></tt> for which <tt class="docutils literal"><span class="pre">pred(t)</span></tt> returns <tt class="docutils literal"><span class="pre">true</span></tt> from the entire container or the specified range</li>
<li>Exception safety: nothrow guarantee (the behavior is undefined if the comparison operator throws)</li>
</ul>
</blockquote>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">merge(</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">r</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Compare</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">merge(</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">r,</span> <span class="pre">Compare</span> <span class="pre">comp</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">merge(</span> <span class="pre">iterator</span> <span class="pre">first,</span> <span class="pre">iterator</span> <span class="pre">last,</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">from</span> <span class="pre">);</span></tt></p>
</li>
<li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Compare</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">merge(</span> <span class="pre">iterator</span> <span class="pre">first,</span> <span class="pre">iterator</span> <span class="pre">last,</span> <span class="pre">ptr_sequence_adapter&amp;</span> <span class="pre">from,</span> <span class="pre">Compare</span> <span class="pre">comp</span> <span class="pre">);</span></tt></p>
<blockquote>
<ul class="simple">
<li>Requirements: (<tt class="docutils literal"><span class="pre">Compare</span></tt> versions) <tt class="docutils literal"><span class="pre">Compare</span></tt> must take <tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span></tt> arguments</li>
<li>Requirements: both sequences are sorted wrt. the same predicate</li>
<li>Effects: transfers the entire container or the specified sequence to the container while
ensuring the new sequence is also sorted</li>
<li>Postconditions: (Container versions) <tt class="docutils literal"><span class="pre">r.empty()</span></tt></li>
<li>Exception safety: nothrow guarantee (the behavior is undefined if the comparison operator throws)</li>
</ul>
</blockquote>
</li>
</ul>
<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 2004-2005.</td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
</body>
</html>