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<Head>
<Title>Shared Array Property Map</Title>
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<H2><A NAME="sec:shared-array-property-map"></A>
</h2>
<PRE>
shared_array_property_map&lt;ValueType, OffsetMap&gt;
</PRE>

<P>
This property map is an adaptor that contains a <a
href="../../smart_ptr/shared_array.htm">boost::shared_array</a> and uses that
array to store the property map's data.  The resulting property map is a model
of <a href="./LvaluePropertyMap.html">Lvalue Property Map</a>.
The <tt>OffsetMap</tt> type is responsible for converting
key objects to integers that can be used as offsets into the array.

<P>

<H3>Where Defined</H3>

<P>
<a href="../../../boost/property_map/shared_array_property_map.hpp"><TT>boost/property_map/shared_array_property_map.hpp</TT></a>

<p>
<H3>Model Of</H3>

<a href="./LvaluePropertyMap.html">Lvalue Property Map</a>

<P>

<H3>Template Parameters</H3>

<P>

<TABLE border>
<TR>
<th>Parameter</th><th>Description</th><th>Default</th>
</tr>


<TR>
<TD><TT>ValueType</TT></TD>
<TD>The value type of the property map.</TD>
<TD>&nbsp;</TD>
</TR>


<TR>
<TD><TT>OffsetMap</TT></TD> <TD>Must be a model of <a
href="./ReadablePropertyMap.html">Readable Property Map</a>
and the value type must be convertible to <tt>std::size_t</tt>.
</TD> <TD>&nbsp;</TD>
</TR>

</TABLE>
<P>

<H3>Members</H3>

<P>
In addition to the methods and functions required by <a
href="./LvaluePropertyMap.html">Lvalue Property Map</a>, this
class has the following members.

<hr>

<pre>
property_traits&lt;shared_array_property_map&gt;::value_type
</pre>
This is the same type as
<TT>ValueType</TT>.

<hr>

<pre>
shared_array_property_map(size_t n)
</pre>
Constructor. Builds the property map with a size of <tt>n</tt> elements.  The
<tt>OffsetMap</tt> is default constructed.

<hr>

<pre>
shared_array_property_map(size_t n, OffsetMap m)
</pre>
Constructor.  Builds the property map with a size of <tt>n</tt> elements.

<hr>

<hr>

<h3>Non-Member functions</h3>

<hr>

<pre>
  template &lt;class ValueType, class OffsetMap&gt;
  shared_array_property_map&lt;ValueType, OffsetMap&gt;
  make_shared_array_property_map(size_t n, const ValueType&amp;, OffsetMap omap)
</pre>
A function for conveniently creating a shared array map.


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Trustees of Indiana University.
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