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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="fusion.organization"></a><a class="link" href="organization.html" title="Organization">Organization</a>
</h2></div></div></div>
<p>
The library is organized into layers of modules, with each module addressing
a particular area of responsibility. A module may not depend on modules in
higher layers.
</p>
<p>
The library is organized in three layers:
</p>
<a name="fusion.organization.layers"></a><h4>
<a name="id876256"></a>
<a class="link" href="organization.html#fusion.organization.layers">Layers</a>
</h4>
<div class="blockquote"><blockquote class="blockquote"><p>
<span class="inlinemediaobject"><img src="../images/fusion_org.png" alt="fusion_org"></span>
</p></blockquote></div>
<p>
The entire library is found in the <code class="computeroutput"><span class="string">"boost/fusion"</span></code>
directory. Modules are organized in directories. Each module has its own header
file placed in the same directory with the actual module-directory. For example,
there exists <code class="computeroutput"><span class="string">"boost/fusion/support.hpp"</span></code>
in the same directory as "boost/fusion/support". Everything, except
those found inside "detail" directories, is public.
</p>
<p>
There is also a <code class="computeroutput"><span class="string">"boost/fusion/include/"</span></code>
directory that contains all the headers to all the components and modules.
If you are unsure where to find a specific component or module, or don't want
to fuss with hierarchy and nesting, use this.
</p>
<p>
The library is header-only. There is no need to build object files to link
against.
</p>
<a name="fusion.organization.directory"></a><h4>
<a name="id876323"></a>
<a class="link" href="organization.html#fusion.organization.directory">Directory</a>
</h4>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem">
tuple
</li>
<li class="listitem">
algorithm
<div class="itemizedlist"><ul class="itemizedlist" type="circle">
<li class="listitem">
iteration
</li>
<li class="listitem">
query
</li>
<li class="listitem">
transformation
</li>
</ul></div>
</li>
<li class="listitem">
adapted
<div class="itemizedlist"><ul class="itemizedlist" type="circle">
<li class="listitem">
array
</li>
<li class="listitem">
mpl
</li>
<li class="listitem">
boost::tuple
</li>
<li class="listitem">
std_pair
</li>
<li class="listitem">
struct
</li>
<li class="listitem">
variant
</li>
</ul></div>
</li>
<li class="listitem">
view
<div class="itemizedlist"><ul class="itemizedlist" type="circle">
<li class="listitem">
filter_view
</li>
<li class="listitem">
iterator_range
</li>
<li class="listitem">
joint_view
</li>
<li class="listitem">
reverse_view
</li>
<li class="listitem">
single_view
</li>
<li class="listitem">
transform_view
</li>
<li class="listitem">
zip_view
</li>
</ul></div>
</li>
<li class="listitem">
container
<div class="itemizedlist"><ul class="itemizedlist" type="circle">
<li class="listitem">
deque
</li>
<li class="listitem">
list
</li>
<li class="listitem">
map
</li>
<li class="listitem">
set
</li>
<li class="listitem">
vector
</li>
<li class="listitem">
generation
</li>
</ul></div>
</li>
<li class="listitem">
mpl
</li>
<li class="listitem">
functional
</li>
<li class="listitem">
sequence
<div class="itemizedlist"><ul class="itemizedlist" type="circle">
<li class="listitem">
comparison
</li>
<li class="listitem">
intrinsic
</li>
<li class="listitem">
io
</li>
</ul></div>
</li>
<li class="listitem">
iterator
</li>
<li class="listitem">
support
</li>
</ul></div>
<a name="fusion.organization.example"></a><h4>
<a name="id876610"></a>
<a class="link" href="organization.html#fusion.organization.example">Example</a>
</h4>
<p>
If, for example, you want to use <code class="computeroutput"><span class="identifier">list</span></code>,
depending on the granularity that you desire, you may do so by including one
of
</p>
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">container</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">container</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">container</span><span class="special">/</span><span class="identifier">list</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">list</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
</pre>
<p>
The first includes all containers The second includes only <code class="computeroutput"><span class="identifier">list</span></code>
<sup>[<a name="id876819" href="#ftn.id876819" class="footnote">4</a>]</sup>.
</p>
<div class="footnotes">
<br><hr width="100" align="left">
<div class="footnote"><p><sup>[<a name="ftn.id876819" href="#id876819" class="para">4</a>] </sup>
Modules may contain smaller components. Header file information for each
component will be provided as part of the component's documentation.
</p></div>
</div>
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