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<title> Deferred
Callable Object</title>
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<div class="titlepage"><div><div><h4 class="title">
<a name="fusion.functional.concepts.def_callable"></a><a href="def_callable.html" title=" Deferred
Callable Object"> Deferred
Callable Object</a></h4></div></div></div>
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<p>
<a href="callable.html" title=" Callable Object">Callable Object</a>
that works with <a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top">Boost.ResultOf</a>
to determine the result of a call (such as the function objects provided
by the standard library).
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<a name="fusion.functional.concepts.def_callable.refinement_of"></a><h5>
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<a href="def_callable.html#fusion.functional.concepts.def_callable.refinement_of">Refinement
of</a>
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<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"><code class="computeroutput"><span class="identifier">F</span></code></span></dt>
<dd>
A Deferred Callable Object type
</dd>
<dt><span class="term"><code class="computeroutput"><span class="identifier">T1</span>
<span class="special">...</span><span class="identifier">TN</span></code></span></dt>
<dd>
Arbitrary types
</dd>
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<a name="fusion.functional.concepts.def_callable.expression_requirements"></a><h5>
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<a href="def_callable.html#fusion.functional.concepts.def_callable.expression_requirements">Expression
requirements</a>
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<thead><tr>
<th>Expression</th>
<th>Type</th>
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<tbody><tr>
<td>
<a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><code class="computeroutput"><span class="special">&lt;</span> <span class="identifier">F</span><span class="special">(</span><span class="identifier">T1</span> <span class="special">...</span><span class="identifier">TN</span><span class="special">)</span> <span class="special">&gt;::</span><span class="identifier">type</span></code>
</td>
<td>Unspecified</td>
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<a href="def_callable.html#fusion.functional.concepts.def_callable.models">Models</a>
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<div class="itemizedlist"><ul type="disc"><li>
all Fusion <a href="../adapters.html" title=" Adapters">functional adapters</a>
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