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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="boost_bimap.future_work"></a><a href="future_work.html" title="Future work">Future work</a>
</h2></div></div></div>
<a name="boost_bimap.future_work.rearrange_function"></a><h4>
<a name="id2714148"></a>
<a href="future_work.html#boost_bimap.future_work.rearrange_function">Rearrange Function</a>
</h4>
<p>
Boost.MultiIndex includes some others functions that can be included in the
views.
</p>
<a name="boost_bimap.future_work.hooking_data"></a><h4>
<a name="id2714175"></a>
<a href="future_work.html#boost_bimap.future_work.hooking_data">Hooking Data</a>
</h4>
<p>
In general, programmers use maps to access information quickly. Boost.Bimap
will allow the user to hook data inside the bimap so it is not necessary to
maintain another map. This a possible code example:
</p>
<pre class="programlisting">
<span class="keyword">typedef</span> <span class="identifier">bimap</span><span class="special">&lt;</span> <span class="keyword">int</span><span class="special">,</span> <span class="identifier">string</span><span class="special">,</span> <span class="identifier">hook_data</span><span class="special">&lt;</span> <span class="identifier">string</span> <span class="special">&gt;</span> <span class="special">&gt;</span> <span class="identifier">bm_type</span><span class="special">;</span>
<span class="identifier">bm_type</span> <span class="identifier">bm</span><span class="special">;</span>
<span class="comment">//...
</span>
<span class="identifier">bm</span><span class="special">.</span><span class="identifier">left_map</span><span class="special">.</span><span class="identifier">data</span><span class="special">(</span><span class="number">28928546</span><span class="special">)</span> <span class="special">=</span> <span class="string">"teacher"</span><span class="special">;</span>
<span class="identifier">bm</span><span class="special">.</span><span class="identifier">right_map</span><span class="special">.</span><span class="identifier">data</span><span class="special">(</span><span class="string">"John Gray"</span><span class="special">)</span> <span class="special">=</span> <span class="string">"singer"</span><span class="special">;</span>
<span class="identifier">bm_type</span><span class="special">::</span><span class="identifier">left_iterator</span> <span class="identifier">iter</span> <span class="special">=</span> <span class="identifier">bm</span><span class="special">.</span><span class="identifier">left_map</span><span class="special">.</span><span class="identifier">find</span><span class="special">(</span><span class="number">23345647</span><span class="special">);</span>
<span class="identifier">iter</span><span class="special">-&gt;</span><span class="identifier">data</span> <span class="special">=</span> <span class="string">"programmer"</span><span class="special">;</span>
<span class="identifier">bm_type</span><span class="special">::</span><span class="identifier">iterator</span> <span class="identifier">iter</span> <span class="special">=</span> <span class="identifier">bm</span><span class="special">.</span><span class="identifier">find</span><span class="special">(</span> <span class="identifier">bm_type</span><span class="special">::</span><span class="identifier">pair_by</span><span class="special">&lt;</span><span class="identifier">member_at</span><span class="special">::</span><span class="identifier">left</span><span class="special">&gt;(</span><span class="number">23345647</span><span class="special">,</span><span class="string">"Green Dert"</span><span class="special">)</span> <span class="special">);</span>
<span class="identifier">iter</span><span class="special">-&gt;</span><span class="identifier">data</span> <span class="special">=</span> <span class="string">"student"</span><span class="special">;</span>
<span class="identifier">bm</span><span class="special">.</span><span class="identifier">insert</span><span class="special">(</span> <span class="identifier">bm_type</span><span class="special">::</span><span class="identifier">value_type_by</span><span class="special">&lt;</span><span class="identifier">member_at</span><span class="special">::</span><span class="identifier">left</span><span class="special">&gt;(</span><span class="number">1456783342</span><span class="special">,</span><span class="string">"Fred Bypass"</span><span class="special">,</span><span class="string">"unemployed"</span><span class="special">)</span> <span class="special">);</span>
</pre>
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