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26 <div class="titlepage"><div><div><h3 class="title">
27 <a name="boost_asio.reference.MutableBufferSequence"></a><a class="link" href="MutableBufferSequence.html" title="Mutable buffer sequence requirements">Mutable buffer
28 sequence requirements</a>
29 </h3></div></div></div>
31 In the table below, <code class="computeroutput"><span class="identifier">X</span></code> denotes
32 a class containing objects of type <code class="computeroutput"><span class="identifier">T</span></code>,
33 <code class="computeroutput"><span class="identifier">a</span></code> denotes a value of type
34 <code class="computeroutput"><span class="identifier">X</span></code> and <code class="computeroutput"><span class="identifier">u</span></code>
35 denotes an identifier.
38 <a name="boost_asio.reference.MutableBufferSequence.t0"></a><p class="title"><b>Table 18. MutableBufferSequence requirements</b></p>
39 <div class="table-contents"><table class="table" summary="MutableBufferSequence requirements">
58 assertion/note<br> pre/post-condition
66 <code class="computeroutput"><span class="identifier">X</span><span class="special">::</span><span class="identifier">value_type</span></code>
71 <code class="computeroutput"><span class="identifier">T</span></code>
76 <code class="computeroutput"><span class="identifier">T</span></code> meets the requirements
77 for <a class="link" href="ConvertibleToMutableBuffer.html" title="Convertible to mutable buffer requirements">ConvertibleToMutableBuffer</a>.
84 <code class="computeroutput"><span class="identifier">X</span><span class="special">::</span><span class="identifier">const_iterator</span></code>
89 iterator type pointing to <code class="computeroutput"><span class="identifier">T</span></code>
94 <code class="computeroutput"><span class="identifier">const_iterator</span></code>
95 meets the requirements for bidirectional iterators (C++ Std, 24.1.4).
102 <code class="computeroutput"><span class="identifier">X</span><span class="special">(</span><span class="identifier">a</span><span class="special">);</span></code>
109 post: <code class="computeroutput"><span class="identifier">equal_mutable_buffer_seq</span><span class="special">(</span><span class="identifier">a</span><span class="special">,</span> <span class="identifier">X</span><span class="special">(</span><span class="identifier">a</span><span class="special">))</span></code> where the binary predicate <code class="computeroutput"><span class="identifier">equal_mutable_buffer_seq</span></code> is defined
112 <pre class="programlisting"><span class="keyword">bool</span> <span class="identifier">equal_mutable_buffer_seq</span><span class="special">(</span>
113 <span class="keyword">const</span> <span class="identifier">X</span><span class="special">&</span> <span class="identifier">x1</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">X</span><span class="special">&</span> <span class="identifier">x2</span><span class="special">)</span>
114 <span class="special">{</span>
115 <span class="keyword">return</span>
116 <span class="identifier">distance</span><span class="special">(</span><span class="identifier">x1</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">x1</span><span class="special">.</span><span class="identifier">end</span><span class="special">())</span>
117 <span class="special">==</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">x2</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">x2</span><span class="special">.</span><span class="identifier">end</span><span class="special">())</span>
118 <span class="special">&&</span> <span class="identifier">equal</span><span class="special">(</span><span class="identifier">x1</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">x1</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span>
119 <span class="identifier">x2</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">equal_buffer</span><span class="special">);</span>
120 <span class="special">}</span>
123 and the binary predicate <code class="computeroutput"><span class="identifier">equal_buffer</span></code>
126 <pre class="programlisting"><span class="keyword">bool</span> <span class="identifier">equal_buffer</span><span class="special">(</span>
127 <span class="keyword">const</span> <span class="identifier">X</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">&</span> <span class="identifier">v1</span><span class="special">,</span>
128 <span class="keyword">const</span> <span class="identifier">X</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">&</span> <span class="identifier">v2</span><span class="special">)</span>
129 <span class="special">{</span>
130 <span class="identifier">mutable_buffer</span> <span class="identifier">b1</span><span class="special">(</span><span class="identifier">v1</span><span class="special">);</span>
131 <span class="identifier">mutable_buffer</span> <span class="identifier">b2</span><span class="special">(</span><span class="identifier">v2</span><span class="special">);</span>
132 <span class="keyword">return</span>
133 <span class="identifier">buffer_cast</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">void</span><span class="special">*>(</span><span class="identifier">b1</span><span class="special">)</span>
134 <span class="special">==</span> <span class="identifier">buffer_cast</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">void</span><span class="special">*>(</span><span class="identifier">b2</span><span class="special">)</span>
135 <span class="special">&&</span> <span class="identifier">buffer_size</span><span class="special">(</span><span class="identifier">b1</span><span class="special">)</span> <span class="special">==</span> <span class="identifier">buffer_size</span><span class="special">(</span><span class="identifier">b2</span><span class="special">);</span>
136 <span class="special">}</span>
145 <code class="computeroutput"><span class="identifier">X</span> <span class="identifier">u</span><span class="special">(</span><span class="identifier">a</span><span class="special">);</span></code>
154 <pre class="programlisting"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">a</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">a</span><span class="special">.</span><span class="identifier">end</span><span class="special">())</span>
155 <span class="special">==</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">u</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">u</span><span class="special">.</span><span class="identifier">end</span><span class="special">())</span>
156 <span class="special">&&</span> <span class="identifier">equal</span><span class="special">(</span><span class="identifier">a</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">a</span><span class="special">.</span><span class="identifier">end</span><span class="special">(),</span>
157 <span class="identifier">u</span><span class="special">.</span><span class="identifier">begin</span><span class="special">(),</span> <span class="identifier">equal_buffer</span><span class="special">)</span>
160 where the binary predicate <code class="computeroutput"><span class="identifier">equal_buffer</span></code>
163 <pre class="programlisting"><span class="keyword">bool</span> <span class="identifier">equal_buffer</span><span class="special">(</span>
164 <span class="keyword">const</span> <span class="identifier">X</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">&</span> <span class="identifier">v1</span><span class="special">,</span>
165 <span class="keyword">const</span> <span class="identifier">X</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">&</span> <span class="identifier">v2</span><span class="special">)</span>
166 <span class="special">{</span>
167 <span class="identifier">mutable_buffer</span> <span class="identifier">b1</span><span class="special">(</span><span class="identifier">v1</span><span class="special">);</span>
168 <span class="identifier">mutable_buffer</span> <span class="identifier">b2</span><span class="special">(</span><span class="identifier">v2</span><span class="special">);</span>
169 <span class="keyword">return</span>
170 <span class="identifier">buffer_cast</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">void</span><span class="special">*>(</span><span class="identifier">b1</span><span class="special">)</span>
171 <span class="special">==</span> <span class="identifier">buffer_cast</span><span class="special"><</span><span class="keyword">const</span> <span class="keyword">void</span><span class="special">*>(</span><span class="identifier">b2</span><span class="special">)</span>
172 <span class="special">&&</span> <span class="identifier">buffer_size</span><span class="special">(</span><span class="identifier">b1</span><span class="special">)</span> <span class="special">==</span> <span class="identifier">buffer_size</span><span class="special">(</span><span class="identifier">b2</span><span class="special">);</span>
173 <span class="special">}</span>
182 <code class="computeroutput"><span class="special">(&</span><span class="identifier">a</span><span class="special">)->~</span><span class="identifier">X</span><span class="special">();</span></code>
187 <code class="computeroutput"><span class="keyword">void</span></code>
192 note: the destructor is applied to every element of <code class="computeroutput"><span class="identifier">a</span></code>; all the memory is deallocated.
199 <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">begin</span><span class="special">();</span></code>
204 <code class="computeroutput"><span class="identifier">const_iterator</span></code>
205 or convertible to <code class="computeroutput"><span class="identifier">const_iterator</span></code>
214 <code class="computeroutput"><span class="identifier">a</span><span class="special">.</span><span class="identifier">end</span><span class="special">();</span></code>
219 <code class="computeroutput"><span class="identifier">const_iterator</span></code>
220 or convertible to <code class="computeroutput"><span class="identifier">const_iterator</span></code>
229 <br class="table-break">
231 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
232 <td align="left"></td>
233 <td align="right"><div class="copyright-footer">Copyright © 2003-2014 Christopher M. Kohlhoff<p>
234 Distributed under the Boost Software License, Version 1.0. (See accompanying
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