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<title> Regular Callable
Object</title>
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<div class="titlepage"><div><div><h4 class="title">
<a name="fusion.functional.concepts.reg_callable"></a><a href="reg_callable.html" title=" Regular Callable
Object"> Regular Callable
Object</a></h4></div></div></div>
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</h5>
<p>
A non-member-pointer <a href="callable.html" title=" Callable Object">Callable
Object</a> type: A pointer to a function or a class type whose objects
can appear immediately to the left of a function call operator.
</p>
<a name="fusion.functional.concepts.reg_callable.refinement_of"></a><h5>
<a name="id654790"></a>
<a href="reg_callable.html#fusion.functional.concepts.reg_callable.refinement_of">Refinement
of</a>
</h5>
<div class="itemizedlist"><ul type="disc"><li><a href="callable.html" title=" Callable Object">Callable Object</a></li></ul></div>
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<p class="title"><b>Notation</b></p>
<dl>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">F</span></tt></span></dt>
<dd><p>
A possibly const qualified Deferred Callable Object type
</p></dd>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">f</span></tt></span></dt>
<dd><p>
An object or reference to an object of type F
</p></dd>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">A1</span>
<span class="special">...</span><span class="identifier">AN</span></tt></span></dt>
<dd><p>
Argument types
</p></dd>
<dt><span class="term"><tt class="computeroutput"><span class="identifier">a1</span>
<span class="special">...</span><span class="identifier">aN</span></tt></span></dt>
<dd><p>
Objects or references to objects with types <tt class="computeroutput"><span class="identifier">A1</span>
<span class="special">...</span><span class="identifier">AN</span></tt>
</p></dd>
</dl>
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requirements</a>
</h5>
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<col>
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<col>
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<thead><tr>
<th>
<p>
Expression
</p>
</th>
<th>
<p>
Return Type
</p>
</th>
<th>
<p>
Runtime Complexity
</p>
</th>
</tr></thead>
<tbody><tr>
<td>
<p>
<tt class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">a1</span><span class="special">,</span>
<span class="special">...</span><span class="identifier">aN</span><span class="special">)</span></tt>
</p>
</td>
<td>
<p>
Unspecified
</p>
</td>
<td>
<p>
Unspecified
</p>
</td>
</tr></tbody>
</table></div>
<a name="fusion.functional.concepts.reg_callable.models"></a><h5>
<a name="id655112"></a>
<a href="reg_callable.html#fusion.functional.concepts.reg_callable.models">Models</a>
</h5>
<div class="itemizedlist"><ul type="disc">
<li>
function pointer types
</li>
<li>
all kinds of function objects
</li>
</ul></div>
<a name="fusion.functional.concepts.reg_callable.examples"></a><h5>
<a name="id655150"></a>
<a href="reg_callable.html#fusion.functional.concepts.reg_callable.examples">Examples</a>
</h5>
<pre class="programlisting">
<span class="special">&amp;</span> <span class="identifier">a_free_function</span>
<span class="special">&amp;</span> <span class="identifier">a_class</span><span class="special">::</span><span class="identifier">a_static_member_function</span>
<span class="identifier">std</span><span class="special">::</span><span class="identifier">less</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;()</span>
<span class="comment">// using namespace boost;
</span><span class="identifier">bind</span><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">less</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;(),</span> <span class="identifier">_1</span><span class="special">,</span> <span class="number">5</span><span class="special">)</span>
<span class="identifier">lambda</span><span class="special">::</span><span class="identifier">_1</span> <span class="special">+=</span> <span class="identifier">lambda</span><span class="special">::</span><span class="identifier">_2</span><span class="special">;</span>
<span class="identifier">fusion</span><span class="special">::</span><a href="../generation/functions/mk_fused_fobj.html" title="
make_fused_function_object"><tt class="computeroutput"><span class="identifier">make_fused_function_object</span></tt></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">less</span><span class="special">&lt;</span><span class="keyword">int</span><span class="special">&gt;())</span>
</pre>
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<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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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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