boost_1_45_0/libs/ptr_container/doc/ptr_sequence_adapter.html - nest-learning-thermostat/5.0/boost - Git at Google

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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-sequence-adapter" 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>Hierarchy:</strong></p>
 <ul class="simple">
 <li><a class="reference" href="reversible_ptr_container.html">reversible_ptr_container</a><ul>
 <li><tt class="docutils literal"><span class="pre">ptr_sequence_adapter</span></tt><ul>
 <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>
 <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 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 );
         template&lt; class U &gt;
         void      push_back( std::auto_ptr&lt;U&gt; x );
         auto_type pop_back();
         iterator  insert( iterator position, T* x );
         template&lt; class U &gt;
         iterator  insert( iterator position, std::auto_ptr&lt;U&gt; 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 );
         void      resize( size_type size );
         void      resize( size_type size, T* to_clone );

     public: // <a class="reference" href="#pointer-container-requirements">pointer container requirements</a>
         template&lt; class PtrSequence &gt;
         void transfer( iterator before, typename PtrSequence::iterator object,
                        PtrSequence&amp; from );
         template&lt; class PtrSequence &gt;
         void transfer( iterator before, typename PtrSequence::iterator first, typename PtrSequence::iterator last,
                        PtrSequence&amp; from );
         void template&lt; class PtrSequence, class Range &gt;
         void transfer( iterator before, const Range&amp; r, PtrSequence&amp; from );
         template&lt; class PtrSequence &gt;
         void transfer( iterator before, PtrSequence&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">
 <h1><a id="semantics" name="semantics">Semantics</a></h1>
 <div class="section">
 <h2><a id="semantics-construct-copy-destroy" name="semantics-construct-copy-destroy"><span id="construct-copy-destroy"></span>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>
 <div class="section">
 <h2><a id="semantics-element-access" name="semantics-element-access"><span id="element-access"></span>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>
 </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>
 </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>
 </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>
 </ul>
 </blockquote>
 </li>
 </ul>
 </div>
 <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_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>
 <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_back(</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_back(</span> <span class="pre">x.release()</span> <span class="pre">);</span></tt></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>
 <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">iterator</span> <span class="pre">insert(</span> <span class="pre">iterator</span> <span class="pre">position,</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">return</span> <span class="pre">insert(</span> <span class="pre">position,</span> <span class="pre">x.release()</span> <span class="pre">);</span></tt></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>
 <li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">resize(</span> <span class="pre">size_type</span> <span class="pre">size</span> <span class="pre">);</span></tt></p>
 <blockquote>
 <ul class="simple">
 <li>Effects: Resizes the container. If elements are erased, it happens from the back. If elements are inserted, it happens at the back.</li>
 <li>Requirements: <tt class="docutils literal"><span class="pre">T</span></tt> is default constructible</li>
 <li>Postcondition: <tt class="docutils literal"><span class="pre">size()</span> <span class="pre">==</span> <span class="pre">size;</span></tt></li>
 <li>Exception safety: Basic guarantee under expansion; nothrow guarantee otherwise</li>
 </ul>
 </blockquote>
 </li>
 <li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">resize(</span> <span class="pre">size_type</span> <span class="pre">size,</span> <span class="pre">T*</span> <span class="pre">to_clone</span> <span class="pre">);</span></tt></p>
 <blockquote>
 <ul class="simple">
 <li>Effects: Resizes the container. If elements are erased, it happens from the back. If elements are inserted, clones of <tt class="docutils literal"><span class="pre">*to_clone</span></tt> are inserted at the back.</li>
 <li>Postcondition: <tt class="docutils literal"><span class="pre">size()</span> <span class="pre">==</span> <span class="pre">size;</span></tt></li>
 <li>Exception safety: Basic guarantee under expansion; nothrow guarantee otherwise</li>
 <li>Remarks: <tt class="docutils literal"><span class="pre">to_clone</span> <span class="pre">==</span> <span class="pre">0</span></tt> is valid if the container supports nulls. The container does not take ownership of <tt class="docutils literal"><span class="pre">to_clone</span></tt>.</li>
 </ul>
 </blockquote>
 </li>
 </ul>
 </div>
 <div class="section">
 <h2><a id="semantics-pointer-container-requirements" name="semantics-pointer-container-requirements"><span id="pointer-container-requirements"></span>Semantics: pointer container requirements</a></h2>
 <p>You can use <tt class="docutils literal"><span class="pre">transfer()</span></tt> to move elements between two containers of the same type. Furthermore,
 you can also move elements from a container of type <tt class="docutils literal"><span class="pre">T</span></tt> to a container of type <tt class="docutils literal"><span class="pre">U</span></tt> as long as
 <tt class="docutils literal"><span class="pre">T::value_type</span></tt> is convertible to <tt class="docutils literal"><span class="pre">U::value_type</span></tt>. An example would be transferring from <tt class="docutils literal"><span class="pre">boost::ptr_vector&lt;Derived&gt;</span></tt>
 to <tt class="docutils literal"><span class="pre">boost::ptr_deque&lt;Base&gt;</span></tt>.</p>
 <p>(<strong>Remark:</strong> <em>When moving elements between two different containers, it is your responsibility to make sure the allocators are compatible.</em>
 <em>The special latitude of being able to transfer between two different containers is only available for Sequences and not for Associative Containers.</em>)</p>
 <!--  -->
 <ul>
 <li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">PtrSequence</span> <span class="pre">&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">typename</span> <span class="pre">PtrSequence::iterator</span> <span class="pre">object,</span> <span class="pre">PtrSequence&amp;</span> <span class="pre">from</span> <span class="pre">);</span></tt></p>
 <blockquote>
 <ul class="simple">
 <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: If <tt class="docutils literal"><span class="pre">from.empty()</span></tt>, nothing happens. Otherwise
 <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">template&lt;</span> <span class="pre">class</span> <span class="pre">PtrSequence</span> <span class="pre">&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">typename</span> <span class="pre">PtrSequence::iterator</span> <span class="pre">first,</span> <span class="pre">typename</span> <span class="pre">PtrSequence::iterator</span> <span class="pre">last,</span> <span class="pre">PtrSequence&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">from.size()</span> <span class="pre">&gt;=</span> <span class="pre">std::distance(first,last)</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: If <tt class="docutils literal"><span class="pre">from.empty()</span></tt>, nothing happens. Otherwise,
 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>
 <li>Complexity: Linear or better</li>
 </ul>
 </blockquote>
 </li>
 <li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">PtrSequence,</span> <span class="pre">class</span> <span class="pre">Range</span> <span class="pre">&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">PtrSequence&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">template&lt;</span> <span class="pre">class</span> <span class="pre">PtrSequence&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">PtrSequence&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">from,</span> <span class="pre">from);</span></tt></li>
 </ul>
 </blockquote>
 </li>
 </ul>
 </div>
 <div class="section">
 <h2><a id="semantics-algorithms" name="semantics-algorithms"><span id="algorithms"></span>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>
 <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>
 </body>
 </html>