forked from boostorg/fusion
https://svn.boost.org/svn/boost/trunk ........ r42067 | johnmaddock | 2007-12-15 04:32:18 -0800 (Sat, 15 Dec 2007) | 1 line MSVC warning suppression. ........ r42069 | bemandawes | 2007-12-15 06:26:16 -0800 (Sat, 15 Dec 2007) | 1 line Correct misspelling of library name ........ r42074 | johnmaddock | 2007-12-15 09:10:03 -0800 (Sat, 15 Dec 2007) | 1 line Fix error messages so they work with Boost.Format. ........ r42076 | johnmaddock | 2007-12-15 09:36:31 -0800 (Sat, 15 Dec 2007) | 1 line Trivial patches to silence MSVC warnings. ........ r42078 | johnmaddock | 2007-12-15 10:29:29 -0800 (Sat, 15 Dec 2007) | 1 line Disable long double tests if there's no long double support. ........ r42080 | johnmaddock | 2007-12-15 10:49:13 -0800 (Sat, 15 Dec 2007) | 1 line Yet another MSVC warning suppression. ........ r42082 | bgubenko | 2007-12-15 10:53:01 -0800 (Sat, 15 Dec 2007) | 1 line mark up Boost.Test tests for Linux ia64 gcc; make Boost.Interprocess unsupported on Linux ia64 gcc and PA-RISC ........ r42086 | anthonyw | 2007-12-15 14:34:30 -0800 (Sat, 15 Dec 2007) | 1 line added timed_wait overloads that take a duration ........ r42087 | anthonyw | 2007-12-15 14:36:43 -0800 (Sat, 15 Dec 2007) | 1 line explicit move functions for threads, with a test ........ r42105 | andreas_huber69 | 2007-12-16 06:58:24 -0800 (Sun, 16 Dec 2007) | 1 line Removed markup for now passing Sandia tests. ........ r42112 | bemandawes | 2007-12-16 14:39:32 -0800 (Sun, 16 Dec 2007) | 1 line Add intel-win-10.0 as required ........ r42116 | djowel | 2007-12-17 01:27:42 -0800 (Mon, 17 Dec 2007) | 1 line fixed documentation bug ........ r42117 | anthonyw | 2007-12-17 03:24:13 -0800 (Mon, 17 Dec 2007) | 1 line Updated move function test to be fair to Borland ........ r42118 | anthonyw | 2007-12-17 04:52:50 -0800 (Mon, 17 Dec 2007) | 1 line boost::move support for locks ........ r42119 | chris_kohlhoff | 2007-12-17 05:04:30 -0800 (Mon, 17 Dec 2007) | 2 lines Fixes for older HP-UX. ........ r42120 | chris_kohlhoff | 2007-12-17 05:08:10 -0800 (Mon, 17 Dec 2007) | 2 lines Bump version number. ........ r42121 | chris_kohlhoff | 2007-12-17 05:17:46 -0800 (Mon, 17 Dec 2007) | 2 lines Documentation fixes. ........ r42127 | bgubenko | 2007-12-17 10:06:11 -0800 (Mon, 17 Dec 2007) | 1 line markup test library test prg_exec_fail2 for PA-RISC ........ r42138 | johnmaddock | 2007-12-18 08:37:23 -0800 (Tue, 18 Dec 2007) | 1 line Fixes #1525. ........ r42141 | marshall | 2007-12-18 10:33:55 -0800 (Tue, 18 Dec 2007) | 1 line Patches to fixe #1423 and #1473 ........ r42145 | fmhess | 2007-12-18 12:14:01 -0800 (Tue, 18 Dec 2007) | 4 lines Prevented "classname"/"methodname"/etc. elements inside "type" elements inside "static-constant" elements from getting dropped. ........ r42164 | djowel | 2007-12-19 02:33:14 -0800 (Wed, 19 Dec 2007) | 1 line bug fix for end_impl. ........ r42165 | djowel | 2007-12-19 02:33:39 -0800 (Wed, 19 Dec 2007) | 1 line bug fix for end_impl. (test) ........ r42166 | anthonyw | 2007-12-19 02:39:45 -0800 (Wed, 19 Dec 2007) | 1 line Updated thread ID, and added tests ........ r42167 | djowel | 2007-12-19 02:42:04 -0800 (Wed, 19 Dec 2007) | 1 line tweakbug fix for end_impl (tweak). ........ r42168 | anthonyw | 2007-12-19 02:45:01 -0800 (Wed, 19 Dec 2007) | 1 line Implement hardware_concurrency for pthread ........ r42169 | johnmaddock | 2007-12-19 08:41:54 -0800 (Wed, 19 Dec 2007) | 1 line Fix graph title. ........ [SVN r42185]
210 lines
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210 lines
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.functional.invocation.functions.invoke_fobj"></a><a href="invoke_fobj.html" title="
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invoke_function_object">
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invoke_function_object</a></h5></div></div></div>
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<a name="fusion.functional.invocation.functions.invoke_fobj.description"></a><h6>
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<a name="id659994"></a>
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<a href="invoke_fobj.html#fusion.functional.invocation.functions.invoke_fobj.description">Description</a>
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</h6>
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<p>
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Calls a <a href="../../concepts/poly.html" title=" Polymorphic Function
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Object">Polymorphic Function
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Object</a> with the arguments from a <a href="../../../sequence.html" title="Sequence">Sequence</a>.
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</p>
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<p>
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The first template parameter can be specialized explicitly to avoid copying
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and/or to control the const qualification of a function object.
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</p>
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<a name="fusion.functional.invocation.functions.invoke_fobj.synopsis"></a><h6>
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<a name="id660049"></a>
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<a href="invoke_fobj.html#fusion.functional.invocation.functions.invoke_fobj.synopsis">Synopsis</a>
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</h6>
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<pre class="programlisting">
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<span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <span class="identifier">Function</span><span class="special">,</span>
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<span class="keyword">class</span> <span class="identifier">Sequence</span>
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<span class="special">></span>
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<span class="keyword">typename</span> <a href="../metafunctions/invoke_fobj.html" title="
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invoke_function_object"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">invoke_function_object</span></tt></a><span class="special"><</span><span class="identifier">Function</span><span class="special">,</span> <span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">type</span>
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<span class="identifier">invoke_function_object</span><span class="special">(</span><span class="identifier">Function</span> <span class="identifier">f</span><span class="special">,</span> <span class="identifier">Sequence</span> <span class="special">&</span> <span class="identifier">s</span><span class="special">);</span>
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<span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <span class="identifier">Function</span><span class="special">,</span>
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<span class="keyword">class</span> <span class="identifier">Sequence</span>
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<span class="special">></span>
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<span class="keyword">typename</span> <a href="../metafunctions/invoke_fobj.html" title="
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invoke_function_object"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">invoke_function_object</span></tt></a><span class="special"><</span><span class="identifier">Function</span><span class="special">,</span> <span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">>::</span><span class="identifier">type</span>
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<span class="identifier">invoke_function_object</span><span class="special">(</span><span class="identifier">Function</span> <span class="identifier">f</span><span class="special">,</span> <span class="identifier">Sequence</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">s</span><span class="special">);</span>
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</pre>
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<a name="fusion.functional.invocation.functions.invoke_fobj.parameters"></a><h6>
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<a name="id660429"></a>
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<a href="invoke_fobj.html#fusion.functional.invocation.functions.invoke_fobj.parameters">Parameters</a>
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</h6>
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<div class="informaltable"><table class="table">
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<colgroup>
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<col>
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<col>
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<thead><tr>
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<p>
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Parameter
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</p>
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</th>
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<th>
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<p>
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Requirement
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</p>
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</th>
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<th>
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<p>
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Description
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</p>
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</th>
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</tr></thead>
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<tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">f</span></tt>
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</p>
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</td>
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<td>
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<p>
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Model of <a href="../../concepts/poly.html" title=" Polymorphic Function
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Object">Polymorphic
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Function Object</a>
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</p>
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</td>
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<td>
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<p>
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The function object to call.
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">s</span></tt>
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</p>
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</td>
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<td>
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<p>
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Model of <a href="../../../sequence/concepts/forward_sequence.html" title="Forward
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Sequence">Forward
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Sequence</a>
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</p>
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</td>
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<td>
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<p>
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The arguments.
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</p>
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</td>
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</tr>
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</tbody>
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</table></div>
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<a name="fusion.functional.invocation.functions.invoke_fobj.expression_semantics"></a><h6>
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<a name="id660590"></a>
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<a href="invoke_fobj.html#fusion.functional.invocation.functions.invoke_fobj.expression_semantics">Expression
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Semantics</a>
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</h6>
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<pre class="programlisting">
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<span class="identifier">invoke_function_object</span><span class="special">(</span><span class="identifier">f</span><span class="special">,</span><span class="identifier">s</span><span class="special">);</span>
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</pre>
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<p>
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<span class="bold"><b>Return type</b></span>: Return type of <tt class="computeroutput"><span class="identifier">f</span></tt> when invoked with the elements in
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<tt class="computeroutput"><span class="identifier">s</span></tt> as its arguments.
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</p>
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<p>
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<span class="bold"><b>Semantics</b></span>: Invokes <tt class="computeroutput"><span class="identifier">f</span></tt>
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with the elements in <tt class="computeroutput"><span class="identifier">s</span></tt>
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as arguments and returns the result of the call expression.
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</p>
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<p>
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/functional/invocation/invoke_function_object.hpp>
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</p>
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<a name="fusion.functional.invocation.functions.invoke_fobj.example"></a><h6>
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<a name="id660733"></a>
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<a href="invoke_fobj.html#fusion.functional.invocation.functions.invoke_fobj.example">Example</a>
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</h6>
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<pre class="programlisting">
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<span class="keyword">struct</span> <span class="identifier">sub</span>
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<span class="special">{</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">typename</span> <span class="identifier">Sig</span><span class="special">></span>
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<span class="keyword">struct</span> <span class="identifier">result</span><span class="special">;</span>
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">Self</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span>
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<span class="keyword">struct</span> <span class="identifier">result</span><span class="special"><</span> <span class="identifier">Self</span><span class="special">(</span><span class="identifier">T</span><span class="special">,</span><span class="identifier">T</span><span class="special">)</span> <span class="special">></span>
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<span class="special">{</span> <span class="keyword">typedef</span> <span class="keyword">typename</span> <span class="identifier">remove_reference</span><span class="special"><</span><span class="identifier">T</span><span class="special">>::</span><span class="identifier">type</span> <span class="identifier">type</span><span class="special">;</span> <span class="special">};</span>
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<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span>
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<span class="identifier">T</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">T</span> <span class="identifier">lhs</span><span class="special">,</span> <span class="identifier">T</span> <span class="identifier">rhs</span><span class="special">)</span> <span class="keyword">const</span>
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<span class="special">{</span>
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<span class="keyword">return</span> <span class="identifier">lhs</span> <span class="special">-</span> <span class="identifier">rhs</span><span class="special">;</span>
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<span class="special">}</span>
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<span class="special">};</span>
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<span class="keyword">void</span> <span class="identifier">try_it</span><span class="special">()</span>
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<span class="special">{</span>
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<span class="identifier">sub</span> <span class="identifier">f</span><span class="special">;</span>
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<span class="identifier">assert</span><span class="special">(</span><span class="identifier">f</span><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">1</span><span class="special">)</span> <span class="special">==</span> <span class="identifier">invoke_function_object</span><span class="special">(</span><span class="identifier">f</span><span class="special">,</span><a href="../../../container/generation/functions/make_vector.html" title="make_vector"><tt class="computeroutput"><span class="identifier">make_vector</span></tt></a><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">1</span><span class="special">)));</span>
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<span class="special">}</span>
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</pre>
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<a name="fusion.functional.invocation.functions.invoke_fobj.see_also"></a><h6>
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<a name="id661283"></a>
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<a href="invoke_fobj.html#fusion.functional.invocation.functions.invoke_fobj.see_also">See
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also</a>
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</h6>
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<div class="itemizedlist"><ul type="disc">
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<li><a href="invoke.html" title="invoke"><tt class="computeroutput"><span class="identifier">invoke</span></tt></a></li>
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<li><a href="invoke_proc.html" title="
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invoke_procedure"><tt class="computeroutput"><span class="identifier">invoke_procedure</span></tt></a></li>
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<li><a href="../metafunctions/invoke_fobj.html" title="
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||
invoke_function_object"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">invoke_function_object</span></tt></a></li>
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<li><a href="../../adapters/fused_function_object.html" title="fused_function_object"><tt class="computeroutput"><span class="identifier">fused_function_object</span></tt></a></li>
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</ul></div>
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</div>
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<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="left"></td>
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<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
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Schwinger<p>
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Distributed under the Boost Software License, Version 1.0. (See accompanying
|
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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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