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<title>Class template vector</title>
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<div class="refentry">
<a name="vector"></a><div class="titlepage"></div>
<div class="refnamediv">
<h2><span class="refentrytitle">Class template vector</span></h2>
<p>vector</p>
</div>
<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="boost_container_header_reference.html#header.boost.container.vector_hpp" title="Header <boost/container/vector.hpp>">boost/container/vector.hpp</a>>
</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> Allocator <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">T</span><span class="special">></span> <span class="special">></span>
<span class="keyword">class</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
<span class="comment">// types</span>
<span class="keyword">typedef</span> <span class="identifier">T</span> <a name="vector.value_type"></a><span class="identifier">value_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">allocator_traits</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">pointer</span> <a name="vector.pointer"></a><span class="identifier">pointer</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">allocator_traits</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">const_pointer</span> <a name="vector.const_pointer"></a><span class="identifier">const_pointer</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">allocator_traits</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">reference</span> <a name="vector.reference"></a><span class="identifier">reference</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">allocator_traits</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">const_reference</span> <a name="vector.const_reference"></a><span class="identifier">const_reference</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">allocator_traits</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">size_type</span> <a name="vector.size_type"></a><span class="identifier">size_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">allocator_traits</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">difference_type</span> <a name="vector.difference_type"></a><span class="identifier">difference_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">Allocator</span> <a name="vector.allocator_type"></a><span class="identifier">allocator_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">Allocator</span> <a name="vector.stored_allocator_type"></a><span class="identifier">stored_allocator_type</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="vector.iterator"></a><span class="identifier">iterator</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="vector.const_iterator"></a><span class="identifier">const_iterator</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="vector.reverse_iterator"></a><span class="identifier">reverse_iterator</span><span class="special">;</span>
<span class="keyword">typedef</span> <span class="identifier">implementation_defined</span> <a name="vector.const_reverse_iterator"></a><span class="identifier">const_reverse_iterator</span><span class="special">;</span>
<span class="comment">// <a class="link" href="vector.html#vectorconstruct-copy-destruct">construct/copy/destruct</a></span>
<span class="keyword">explicit</span> <a class="link" href="vector.html#idp21025000-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Allocator</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">explicit</span> <a class="link" href="vector.html#idp21026904-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">explicit</span> <a class="link" href="vector.html#idp21028936-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="identifier">default_init_t</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="vector.html#idp21031736-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="vector.html#idp21033912-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">allocator_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span> <a class="link" href="vector.html#idp21036440-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">InIt</span><span class="special">,</span> <span class="identifier">InIt</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span> <a class="link" href="vector.html#idp21039128-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="identifier">InIt</span><span class="special">,</span> <span class="identifier">InIt</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">allocator_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="vector.html#idp21042200-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="vector.html#idp21044680-bb"><span class="identifier">vector</span></a><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="vector.html#idp21046584-bb"><span class="identifier">vector</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">allocator_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
vector& <a class="link" href="vector.html#idp21051080-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
vector& <a class="link" href="vector.html#idp21053752-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="vector.html#idp21049592-bb"><span class="special">~</span><span class="identifier">vector</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="vector.html#idp20907112-bb">public member functions</a></span>
<a class="link" href="vector.html#idp20907320-bb"><span class="keyword">noexcept</span></a><span class="special">(</span><span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">has_nothrow_default_constructor</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">this</span> <span class="identifier">m_holder</span> <a class="link" href="vector.html#idp20909496-bb"><span class="identifier">first_allocation_same_allocator_type</span></a><span class="special">(</span><span class="identifier">n</span><span class="special">)</span><span class="special">;</span>
<a class="link" href="vector.html#idp20910328-bb"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">uninitialized_move_alloc_n_source</span></a><span class="special">(</span><span class="keyword">this</span><span class="special">-></span><span class="identifier">m_holder</span><span class="special">.</span><span class="special">,</span>
<span class="emphasis"><em><span class="identifier">unspecified</span></em></span><span class="special">,</span> <span class="identifier">n</span><span class="special">,</span>
<span class="emphasis"><em><span class="identifier">unspecified</span></em></span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span> <span class="keyword">void</span> <a class="link" href="boost/circular_buffer.html#idp20912232-bb"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">InIt</span><span class="special">,</span> <span class="identifier">InIt</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20915256-bb"><span class="identifier">assign</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">allocator_type</span> <a class="link" href="vector.html#idp20917816-bb"><span class="identifier">get_allocator</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">stored_allocator_type</span> <span class="special">&</span> <a class="link" href="vector.html#idp20919656-bb"><span class="identifier">get_stored_allocator</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">const</span> <span class="identifier">stored_allocator_type</span> <span class="special">&</span> <a class="link" href="vector.html#idp20921944-bb"><span class="identifier">get_stored_allocator</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">iterator</span> <a class="link" href="vector.html#idp20924232-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_iterator</span> <a class="link" href="vector.html#idp20926072-bb"><span class="identifier">begin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">iterator</span> <a class="link" href="vector.html#idp20927912-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_iterator</span> <a class="link" href="vector.html#idp20929720-bb"><span class="identifier">end</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">reverse_iterator</span> <a class="link" href="vector.html#idp20931544-bb"><span class="identifier">rbegin</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idp20933400-bb"><span class="identifier">rbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">reverse_iterator</span> <a class="link" href="vector.html#idp20935272-bb"><span class="identifier">rend</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idp20937128-bb"><span class="identifier">rend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">const_iterator</span> <a class="link" href="vector.html#idp20938984-bb"><span class="identifier">cbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">const_iterator</span> <a class="link" href="vector.html#idp20940824-bb"><span class="identifier">cend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idp20942648-bb"><span class="identifier">crbegin</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">const_reverse_iterator</span> <a class="link" href="vector.html#idp20944520-bb"><span class="identifier">crend</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="keyword">bool</span> <a class="link" href="vector.html#idp20946376-bb"><span class="identifier">empty</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">size_type</span> <a class="link" href="vector.html#idp20948200-bb"><span class="identifier">size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">size_type</span> <a class="link" href="vector.html#idp20950024-bb"><span class="identifier">max_size</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20951848-bb"><span class="identifier">resize</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20954152-bb"><span class="identifier">resize</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="identifier">default_init_t</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20957224-bb"><span class="identifier">resize</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">size_type</span> <a class="link" href="vector.html#idp20959864-bb"><span class="identifier">capacity</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20961736-bb"><span class="identifier">reserve</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20963768-bb"><span class="identifier">shrink_to_fit</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">reference</span> <a class="link" href="vector.html#idp20965736-bb"><span class="identifier">front</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_reference</span> <a class="link" href="vector.html#idp20967976-bb"><span class="identifier">front</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">reference</span> <a class="link" href="vector.html#idp20970232-bb"><span class="identifier">back</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_reference</span> <a class="link" href="vector.html#idp20972472-bb"><span class="identifier">back</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">reference</span> <a class="link" href="vector.html#idp20974728-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_reference</span> <a class="link" href="vector.html#idp20977320-bb"><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">reference</span> <a class="link" href="vector.html#idp20979928-bb"><span class="identifier">at</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">const_reference</span> <a class="link" href="vector.html#idp20982552-bb"><span class="identifier">at</span></a><span class="special">(</span><span class="identifier">size_type</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
<span class="identifier">T</span> <span class="special">*</span> <a class="link" href="vector.html#idp20985192-bb"><span class="identifier">data</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">const</span> <span class="identifier">T</span> <span class="special">*</span> <a class="link" href="vector.html#idp20987080-bb"><span class="identifier">data</span></a><span class="special">(</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">class</span><span class="special">...</span> Args<span class="special">></span> <span class="keyword">void</span> <a class="link" href="vector.html#idp20988968-bb"><span class="identifier">emplace_back</span></a><span class="special">(</span><span class="identifier">Args</span> <span class="special">&&</span><span class="special">...</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span><span class="special">...</span> Args<span class="special">></span> <span class="identifier">iterator</span> <a class="link" href="vector.html#idp20991848-bb"><span class="identifier">emplace</span></a><span class="special">(</span><span class="identifier">const_iterator</span><span class="special">,</span> <span class="identifier">Args</span> <span class="special">&&</span><span class="special">...</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20995544-bb"><span class="identifier">push_back</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp20997768-bb"><span class="identifier">push_back</span></a><span class="special">(</span><span class="identifier">T</span> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">iterator</span> <a class="link" href="vector.html#idp21000040-bb"><span class="identifier">insert</span></a><span class="special">(</span><span class="identifier">const_iterator</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">iterator</span> <a class="link" href="vector.html#idp21003096-bb"><span class="identifier">insert</span></a><span class="special">(</span><span class="identifier">const_iterator</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&&</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">iterator</span> <a class="link" href="vector.html#idp21006120-bb"><span class="identifier">insert</span></a><span class="special">(</span><span class="identifier">const_iterator</span><span class="special">,</span> <span class="identifier">size_type</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span> <span class="identifier">iterator</span> <a class="link" href="vector.html#idp21009896-bb"><span class="identifier">insert</span></a><span class="special">(</span><span class="identifier">const_iterator</span><span class="special">,</span> <span class="identifier">InIt</span><span class="special">,</span> <span class="identifier">InIt</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp21014216-bb"><span class="identifier">pop_back</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">iterator</span> <a class="link" href="vector.html#idp21016040-bb"><span class="identifier">erase</span></a><span class="special">(</span><span class="identifier">const_iterator</span><span class="special">)</span><span class="special">;</span>
<span class="identifier">iterator</span> <a class="link" href="vector.html#idp21018280-bb"><span class="identifier">erase</span></a><span class="special">(</span><span class="identifier">const_iterator</span><span class="special">,</span> <span class="identifier">const_iterator</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp21020856-bb"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">void</span> <a class="link" href="vector.html#idp21023144-bb"><span class="identifier">clear</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
<span class="comment">// <a class="link" href="vector.html#vectorpublic-data-members">public data members</a></span>
<a class="link" href="vector.html#vector.__pad0__"><span class="identifier">__pad0__</span></a><span class="special">;</span>
<span class="keyword">else</span><span class="special">;</span>
<span class="keyword">this</span> <span class="identifier">m_holder</span> <span class="identifier">m_size</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idp80272904"></a><h2>Description</h2>
<p>A vector is a sequence that supports random access to elements, constant time insertion and removal of elements at the end, and linear time insertion and removal of elements at the beginning or in the middle. The number of elements in a vector may vary dynamically; memory management is automatic. <a class="link" href="boost/container/vector.html" title="Class template vector">boost::container::vector</a> is similar to std::vector but it's compatible with shared memory and memory mapped files. </p>
<div class="refsect2">
<a name="idp80274088"></a><h3>
<a name="vectorconstruct-copy-destruct"></a><code class="computeroutput">vector</code>
public
construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="idp21025000-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">Allocator</span> <span class="special">&</span> a<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector taking the allocator as parameter.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="idp21026904-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector that will use a copy of allocator a and inserts n value initialized values.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator_type's default constructor or allocation throws or T's default constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to n. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">explicit</span> <a name="idp21028936-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">,</span> <span class="identifier">default_init_t</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector that will use a copy of allocator a and inserts n default initialized values.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator_type's default constructor or allocation throws or T's default constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to n.</p>
<p><span class="bold"><strong>Note</strong></span>: Non-standard extension </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idp21031736-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector and inserts n copies of value.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator_type's default constructor or allocation throws or T's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to n. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idp21033912-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> value<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">allocator_type</span> <span class="special">&</span> a<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector that will use a copy of allocator a and inserts n copies of value.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocation throws or T's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to n. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span> <a name="idp21036440-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">InIt</span> first<span class="special">,</span> <span class="identifier">InIt</span> last<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector and inserts a copy of the range [first, last) in the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator_type's default constructor or allocation throws or T's constructor taking an dereferenced InIt throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the range [first, last). </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span>
<a name="idp21039128-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="identifier">InIt</span> first<span class="special">,</span> <span class="identifier">InIt</span> last<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">allocator_type</span> <span class="special">&</span> a<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector that will use a copy of allocator a and inserts a copy of the range [first, last) in the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator_type's default constructor or allocation throws or T's constructor taking an dereferenced InIt throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the range [first, last). </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idp21042200-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Copy constructs a vector.</p>
<p><span class="bold"><strong>Postcondition</strong></span>: x == *this.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator_type's default constructor or allocation throws or T's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the elements x contains. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idp21044680-bb"></a><span class="identifier">vector</span><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span> mx<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Move constructor. Moves mx's resources to *this.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idp21046584-bb"></a><span class="identifier">vector</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> x<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">allocator_type</span> <span class="special">&</span> a<span class="special">)</span><span class="special">;</span></pre>defined(BOOST_CONTAINER_DOXYGEN_INVOKED) <p><span class="bold"><strong>Effects</strong></span>: Copy constructs a vector using the specified allocator.</p>
<p><span class="bold"><strong>Postcondition</strong></span>: x == *this.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocation throws or T's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the elements x contains. </p>
</li>
<li class="listitem">
<pre class="literallayout">vector& <a name="idp21051080-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Makes *this contain the same elements as x.</p>
<p><span class="bold"><strong>Postcondition</strong></span>: this->size() == x.size(). *this contains a copy of each of x's elements.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or T's copy/move constructor/assignment throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the number of elements in x. </p>
</li>
<li class="listitem">
<pre class="literallayout">vector& <a name="idp21053752-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Move assignment. All mx's values are transferred to *this.</p>
<p><span class="bold"><strong>Postcondition</strong></span>: x.empty(). *this contains a the elements x had before the function.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear. </p>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idp21049592-bb"></a><span class="special">~</span><span class="identifier">vector</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Destroys the vector. All stored values are destroyed and used memory is deallocated.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the number of elements. </p>
</li>
</ol></div>
</div>
<div class="refsect2">
<a name="idp80355336"></a><h3>
<a name="idp20907112-bb"></a><code class="computeroutput">vector</code> public member functions</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"> <a name="idp20907320-bb"></a><span class="keyword">noexcept</span><span class="special">(</span><span class="special">::</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">has_nothrow_default_constructor</span><span class="special"><</span> <span class="identifier">Allocator</span> <span class="special">></span><span class="special">::</span><span class="identifier">value</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a vector taking the allocator as parameter.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator_type's default constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem"><pre class="literallayout"><span class="keyword">this</span> <span class="identifier">m_holder</span> <a name="idp20909496-bb"></a><span class="identifier">first_allocation_same_allocator_type</span><span class="special">(</span><span class="identifier">n</span><span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem"><pre class="literallayout"> <a name="idp20910328-bb"></a><span class="identifier">boost</span><span class="special">::</span><span class="identifier">container</span><span class="special">::</span><span class="identifier">uninitialized_move_alloc_n_source</span><span class="special">(</span><span class="keyword">this</span><span class="special">-></span><span class="identifier">m_holder</span><span class="special">.</span> alloc<span class="special">,</span>
<span class="emphasis"><em><span class="identifier">unspecified</span></em></span> to_raw_pointer<span class="special">,</span>
<span class="identifier">n</span><span class="special">,</span>
<span class="emphasis"><em><span class="identifier">unspecified</span></em></span> to_raw_pointer<span class="special">)</span><span class="special">;</span></pre></li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span> <span class="keyword">void</span> <a name="idp20912232-bb"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">InIt</span> first<span class="special">,</span> <span class="identifier">InIt</span> last<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Assigns the the range [first, last) to *this.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or T's copy/move constructor/assignment or T's constructor/assignment from dereferencing InpIt throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to n. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20915256-bb"></a><span class="identifier">assign</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">value_type</span> <span class="special">&</span> val<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Assigns the n copies of val to *this.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or T's copy/move constructor/assignment throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to n. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">allocator_type</span> <a name="idp20917816-bb"></a><span class="identifier">get_allocator</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a copy of the internal allocator.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocator's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">stored_allocator_type</span> <span class="special">&</span> <a name="idp20919656-bb"></a><span class="identifier">get_stored_allocator</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reference to the internal allocator.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant.</p>
<p><span class="bold"><strong>Note</strong></span>: Non-standard extension. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">const</span> <span class="identifier">stored_allocator_type</span> <span class="special">&</span> <a name="idp20921944-bb"></a><span class="identifier">get_stored_allocator</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reference to the internal allocator.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant.</p>
<p><span class="bold"><strong>Note</strong></span>: Non-standard extension. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp20924232-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns an iterator to the first element contained in the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idp20926072-bb"></a><span class="identifier">begin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_iterator to the first element contained in the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp20927912-bb"></a><span class="identifier">end</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns an iterator to the end of the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idp20929720-bb"></a><span class="identifier">end</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_iterator to the end of the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">reverse_iterator</span> <a name="idp20931544-bb"></a><span class="identifier">rbegin</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reverse_iterator pointing to the beginning of the reversed vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idp20933400-bb"></a><span class="identifier">rbegin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_reverse_iterator pointing to the beginning of the reversed vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">reverse_iterator</span> <a name="idp20935272-bb"></a><span class="identifier">rend</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reverse_iterator pointing to the end of the reversed vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idp20937128-bb"></a><span class="identifier">rend</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_reverse_iterator pointing to the end of the reversed vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idp20938984-bb"></a><span class="identifier">cbegin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_iterator to the first element contained in the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_iterator</span> <a name="idp20940824-bb"></a><span class="identifier">cend</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_iterator to the end of the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idp20942648-bb"></a><span class="identifier">crbegin</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_reverse_iterator pointing to the beginning of the reversed vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reverse_iterator</span> <a name="idp20944520-bb"></a><span class="identifier">crend</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const_reverse_iterator pointing to the end of the reversed vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">bool</span> <a name="idp20946376-bb"></a><span class="identifier">empty</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns true if the vector contains no elements.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">size_type</span> <a name="idp20948200-bb"></a><span class="identifier">size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns the number of the elements contained in the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">size_type</span> <a name="idp20950024-bb"></a><span class="identifier">max_size</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Returns the largest possible size of the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20951848-bb"></a><span class="identifier">resize</span><span class="special">(</span><span class="identifier">size_type</span> new_size<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Inserts or erases elements at the end such that the size becomes n. New elements are value initialized.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws, or T's constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the difference between size() and new_size. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20954152-bb"></a><span class="identifier">resize</span><span class="special">(</span><span class="identifier">size_type</span> new_size<span class="special">,</span> <span class="identifier">default_init_t</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Inserts or erases elements at the end such that the size becomes n. New elements are value initialized.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws, or T's constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the difference between size() and new_size.</p>
<p><span class="bold"><strong>Note</strong></span>: Non-standard extension </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20957224-bb"></a><span class="identifier">resize</span><span class="special">(</span><span class="identifier">size_type</span> new_size<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Inserts or erases elements at the end such that the size becomes n. New elements are copy constructed from x.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws, or T's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the difference between size() and new_size. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">size_type</span> <a name="idp20959864-bb"></a><span class="identifier">capacity</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Number of elements for which memory has been allocated. capacity() is always greater than or equal to size().</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20961736-bb"></a><span class="identifier">reserve</span><span class="special">(</span><span class="identifier">size_type</span> new_cap<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: If n is less than or equal to capacity(), this call has no effect. Otherwise, it is a request for allocation of additional memory. If the request is successful, then capacity() is greater than or equal to n; otherwise, capacity() is unchanged. In either case, size() is unchanged.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation allocation throws or T's copy/move constructor throws. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20963768-bb"></a><span class="identifier">shrink_to_fit</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Tries to deallocate the excess of memory created with previous allocations. The size of the vector is unchanged</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws, or T's copy/move constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to size(). </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">reference</span> <a name="idp20965736-bb"></a><span class="identifier">front</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: !empty()</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reference to the first element of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reference</span> <a name="idp20967976-bb"></a><span class="identifier">front</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: !empty()</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const reference to the first element of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">reference</span> <a name="idp20970232-bb"></a><span class="identifier">back</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: !empty()</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reference to the last element of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reference</span> <a name="idp20972472-bb"></a><span class="identifier">back</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: !empty()</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const reference to the last element of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">reference</span> <a name="idp20974728-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: size() > n.</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reference to the nth element from the beginning of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reference</span> <a name="idp20977320-bb"></a><span class="keyword">operator</span><span class="special">[</span><span class="special">]</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: size() > n.</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const reference to the nth element from the beginning of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">reference</span> <a name="idp20979928-bb"></a><span class="identifier">at</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: size() > n.</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a reference to the nth element from the beginning of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: std::range_error if n >= size()</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">const_reference</span> <a name="idp20982552-bb"></a><span class="identifier">at</span><span class="special">(</span><span class="identifier">size_type</span> n<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: size() > n.</p>
<p><span class="bold"><strong>Effects</strong></span>: Returns a const reference to the nth element from the beginning of the container.</p>
<p><span class="bold"><strong>Throws</strong></span>: std::range_error if n >= size()</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">T</span> <span class="special">*</span> <a name="idp20985192-bb"></a><span class="identifier">data</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Returns</strong></span>: Allocator pointer such that [data(),data() + size()) is a valid range. For a non-empty vector, data() == &front().</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">*</span> <a name="idp20987080-bb"></a><span class="identifier">data</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Returns</strong></span>: Allocator pointer such that [data(),data() + size()) is a valid range. For a non-empty vector, data() == &front().</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span><span class="special">...</span> Args<span class="special">></span> <span class="keyword">void</span> <a name="idp20988968-bb"></a><span class="identifier">emplace_back</span><span class="special">(</span><span class="identifier">Args</span> <span class="special">&&</span><span class="special">...</span> args<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Inserts an object of type T constructed with std::forward<Args>(args)... in the end of the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or the in-place constructor throws or T's move constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Amortized constant time. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span><span class="special">...</span> Args<span class="special">></span>
<span class="identifier">iterator</span> <a name="idp20991848-bb"></a><span class="identifier">emplace</span><span class="special">(</span><span class="identifier">const_iterator</span> position<span class="special">,</span> <span class="identifier">Args</span> <span class="special">&&</span><span class="special">...</span> args<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: position must be a valid iterator of *this.</p>
<p><span class="bold"><strong>Effects</strong></span>: Inserts an object of type T constructed with std::forward<Args>(args)... before position</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or the in-place constructor throws or T's move constructor/assignment throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: If position is end(), amortized constant time Linear time otherwise. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20995544-bb"></a><span class="identifier">push_back</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Inserts a copy of x at the end of the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or T's copy/move constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Amortized constant time. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp20997768-bb"></a><span class="identifier">push_back</span><span class="special">(</span><span class="identifier">T</span> <span class="special">&&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Constructs a new element in the end of the vector and moves the resources of mx to this new element.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or T's move constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Amortized constant time. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp21000040-bb"></a><span class="identifier">insert</span><span class="special">(</span><span class="identifier">const_iterator</span> position<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: position must be a valid iterator of *this.</p>
<p><span class="bold"><strong>Effects</strong></span>: Insert a copy of x before position.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or T's copy/move constructor/assignment throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: If position is end(), amortized constant time Linear time otherwise. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp21003096-bb"></a><span class="identifier">insert</span><span class="special">(</span><span class="identifier">const_iterator</span> position<span class="special">,</span> <span class="identifier">T</span> <span class="special">&&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: position must be a valid iterator of *this.</p>
<p><span class="bold"><strong>Effects</strong></span>: Insert a new element before position with mx's resources.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: If position is end(), amortized constant time Linear time otherwise. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp21006120-bb"></a><span class="identifier">insert</span><span class="special">(</span><span class="identifier">const_iterator</span> p<span class="special">,</span> <span class="identifier">size_type</span> n<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: p must be a valid iterator of *this.</p>
<p><span class="bold"><strong>Effects</strong></span>: Insert n copies of x before pos.</p>
<p><span class="bold"><strong>Returns</strong></span>: an iterator to the first inserted element or p if n is 0.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws or T's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to n. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InIt<span class="special">></span>
<span class="identifier">iterator</span> <a name="idp21009896-bb"></a><span class="identifier">insert</span><span class="special">(</span><span class="identifier">const_iterator</span> pos<span class="special">,</span> <span class="identifier">InIt</span> first<span class="special">,</span> <span class="identifier">InIt</span> last<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Requires</strong></span>: p must be a valid iterator of *this.</p>
<p><span class="bold"><strong>Effects</strong></span>: Insert a copy of the [first, last) range before pos.</p>
<p><span class="bold"><strong>Returns</strong></span>: an iterator to the first inserted element or pos if first == last.</p>
<p><span class="bold"><strong>Throws</strong></span>: If memory allocation throws, T's constructor from a dereferenced InpIt throws or T's copy/move constructor/assignment throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to std::distance [first, last). </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp21014216-bb"></a><span class="identifier">pop_back</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Removes the last element from the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant time. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp21016040-bb"></a><span class="identifier">erase</span><span class="special">(</span><span class="identifier">const_iterator</span> position<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Erases the element at position pos.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the elements between pos and the last element. Constant if pos is the last element. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="identifier">iterator</span> <a name="idp21018280-bb"></a><span class="identifier">erase</span><span class="special">(</span><span class="identifier">const_iterator</span> first<span class="special">,</span> <span class="identifier">const_iterator</span> last<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Erases the elements pointed by [first, last).</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the distance between first and last plus linear to the elements between pos and the last element. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp21020856-bb"></a><span class="identifier">swap</span><span class="special">(</span><a class="link" href="vector.html" title="Class template vector">vector</a> <span class="special">&</span> x<span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Swaps the contents of *this and x.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant. </p>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">void</span> <a name="idp21023144-bb"></a><span class="identifier">clear</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Erases all the elements of the vector.</p>
<p><span class="bold"><strong>Throws</strong></span>: Nothing.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Linear to the number of elements in the vector. </p>
</li>
</ol></div>
</div>
<div class="refsect2">
<a name="idp80582568"></a><h3>
<a name="vectorpublic-data-members"></a><code class="computeroutput">vector</code>
public
public data members</h3>
<div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">
<pre class="literallayout"> <a name="vector.__pad0__"></a><span class="identifier">__pad0__</span><span class="special">;</span></pre>
<p><span class="bold"><strong>Effects</strong></span>: Move constructor using the specified allocator. Moves mx's resources to *this if a == allocator_type(). Otherwise copies values from x to *this.</p>
<p><span class="bold"><strong>Throws</strong></span>: If allocation or T's copy constructor throws.</p>
<p><span class="bold"><strong>Complexity</strong></span>: Constant if a == mx.get_allocator(), linear otherwise. </p>
</li></ol></div>
</div>
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<td align="right"><div class="copyright-footer">Copyright © 2009-2013 Ion Gaztanaga<p>
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
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