forked from boostorg/fusion
updates functional module: only two unfused variants, now
[SVN r51381]
This commit is contained in:
Tobias Schwinger
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<title>fused_function_object</title>
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<table cellpadding="2" width="100%"><tr>
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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="fused_procedure.html"><img src="../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../adapters.html"><img src="../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="unfused_generic.html"><img src="../../../../../../../doc/html/images/next.png" alt="Next"></a>
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<a accesskey="p" href="fused_procedure.html"><img src="../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../adapters.html"><img src="../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="unfused.html"><img src="../../../../../../../doc/html/images/next.png" alt="Next"></a>
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</div>
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<div class="section" lang="en">
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<div class="titlepage"><div><div><h4 class="title">
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<a name="fusion.functional.adapters.fused_function_object"></a><a href="fused_function_object.html" title="fused_function_object">fused_function_object</a></h4></div></div></div>
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<a name="fusion.functional.adapters.fused_function_object.description"></a><h5>
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<a name="id664533"></a>
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<a name="id1292905"></a>
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<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.description">Description</a>
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</h5>
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<p>
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@ -41,23 +41,25 @@
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<p>
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The type of the target function is allowed to be const qualified or a reference.
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Const qualification is preserved and propagated appropriately (in other
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words, only const versions of <tt class="literal">operator()</tt> can be used
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words, only const versions of <code class="literal">operator()</code> can be used
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for an target function object that is const or, if the target function
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object is held by value, the adapter is const).
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</p>
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<p>
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/functional/adapter/fused_function_object.hpp>
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</p>
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<a name="fusion.functional.adapters.fused_function_object.header"></a><h5>
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<a name="id1292973"></a>
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<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.header">Header</a>
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</h5>
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<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">functional</span><span class="special">/</span><span class="identifier">adapter</span><span class="special">/</span><span class="identifier">fused_function_object</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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</pre>
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<a name="fusion.functional.adapters.fused_function_object.synopsis"></a><h5>
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<a name="id664615"></a>
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<a name="id1293067"></a>
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<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.synopsis">Synopsis</a>
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</h5>
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<pre class="programlisting">
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<span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">Function</span><span class="special">></span>
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<pre class="programlisting"><span class="keyword">template</span> <span class="special"><</span><span class="keyword">class</span> <span class="identifier">Function</span><span class="special">></span>
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<span class="keyword">class</span> <span class="identifier">fused_function_object</span><span class="special">;</span>
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</pre>
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<a name="fusion.functional.adapters.fused_function_object.template_parameters"></a><h5>
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<a name="id664700"></a>
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<a name="id1293140"></a>
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<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.template_parameters">Template
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parameters</a>
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</h5>
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@ -87,7 +89,7 @@
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<tbody><tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">Function</span></tt>
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<code class="computeroutput"><span class="identifier">Function</span></code>
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</p>
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</td>
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<td>
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@ -104,7 +106,7 @@
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</tr></tbody>
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</table></div>
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<a name="fusion.functional.adapters.fused_function_object.model_of"></a><h5>
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<a name="id664816"></a>
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<a name="id1293242"></a>
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<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.model_of">Model
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of</a>
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</h5>
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@ -119,29 +121,29 @@
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<div class="variablelist">
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<p class="title"><b>Notation</b></p>
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<dl>
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<dt><span class="term"><tt class="computeroutput"><span class="identifier">R</span></tt></span></dt>
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<dt><span class="term"><code class="computeroutput"><span class="identifier">R</span></code></span></dt>
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<dd><p>
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A possibly const qualified <a href="../concepts/poly.html" title=" Polymorphic Function
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Object">Polymorphic
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Function Object</a> type or reference type thereof
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</p></dd>
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<dt><span class="term"><tt class="computeroutput"><span class="identifier">r</span></tt></span></dt>
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<dt><span class="term"><code class="computeroutput"><span class="identifier">r</span></code></span></dt>
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<dd><p>
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An object convertible to <tt class="computeroutput"><span class="identifier">R</span></tt>
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An object convertible to <code class="computeroutput"><span class="identifier">R</span></code>
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</p></dd>
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<dt><span class="term"><tt class="computeroutput"><span class="identifier">s</span></tt></span></dt>
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<dt><span class="term"><code class="computeroutput"><span class="identifier">s</span></code></span></dt>
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<dd><p>
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A <a href="../../sequence.html" title="Sequence">Sequence</a> of arguments that
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are accepted by <tt class="computeroutput"><span class="identifier">r</span></tt>
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are accepted by <code class="computeroutput"><span class="identifier">r</span></code>
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</p></dd>
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<dt><span class="term"><tt class="computeroutput"><span class="identifier">f</span></tt></span></dt>
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<dt><span class="term"><code class="computeroutput"><span class="identifier">f</span></code></span></dt>
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<dd><p>
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An instance of <tt class="computeroutput"><span class="identifier">fused</span><span class="special"><</span><span class="identifier">R</span><span class="special">></span></tt>
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An instance of <code class="computeroutput"><span class="identifier">fused</span><span class="special"><</span><span class="identifier">R</span><span class="special">></span></code>
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</p></dd>
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</dl>
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</div>
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<a name="fusion.functional.adapters.fused_function_object.expression_semantics"></a><h5>
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<a name="id665037"></a>
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<a name="id1310916"></a>
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<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.expression_semantics">Expression
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Semantics</a>
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</h5>
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@ -166,38 +168,38 @@
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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">fused_function_object</span><span class="special"><</span><span class="identifier">R</span><span class="special">>(</span><span class="identifier">r</span><span class="special">)</span></tt>
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<code class="computeroutput"><span class="identifier">fused_function_object</span><span class="special"><</span><span class="identifier">R</span><span class="special">>(</span><span class="identifier">r</span><span class="special">)</span></code>
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</p>
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</td>
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<td>
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<p>
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Creates a fused function as described above, initializes the target
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function with <tt class="computeroutput"><span class="identifier">r</span></tt>.
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function with <code class="computeroutput"><span class="identifier">r</span></code>.
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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">fused_function_object</span><span class="special"><</span><span class="identifier">R</span><span class="special">>()</span></tt>
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<code class="computeroutput"><span class="identifier">fused_function_object</span><span class="special"><</span><span class="identifier">R</span><span class="special">>()</span></code>
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</p>
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</td>
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<td>
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<p>
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Creates a fused function as described above, attempts to use <tt class="computeroutput"><span class="identifier">R</span></tt>'s default constructor.
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Creates a fused function as described above, attempts to use <code class="computeroutput"><span class="identifier">R</span></code>'s default constructor.
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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">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">)</span></tt>
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<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">)</span></code>
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</p>
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</td>
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<td>
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<p>
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Calls <tt class="computeroutput"><span class="identifier">r</span></tt> with the
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elements in <tt class="computeroutput"><span class="identifier">s</span></tt> as
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Calls <code class="computeroutput"><span class="identifier">r</span></code> with the
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elements in <code class="computeroutput"><span class="identifier">s</span></code> as
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its arguments.
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</p>
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</td>
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@ -205,16 +207,15 @@
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</tbody>
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</table></div>
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<a name="fusion.functional.adapters.fused_function_object.example"></a><h5>
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<a name="id665293"></a>
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<a name="id1311142"></a>
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<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.example">Example</a>
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</h5>
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<pre class="programlisting">
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<span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">SeqOfSeqs</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Func</span><span class="special">></span>
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<span class="keyword">typename</span> <a href="../../algorithm/transformation/metafunctions/transform.html" title="transform"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">transform</span></tt></a><span class="special"><</span> <span class="identifier">zip_view</span><span class="special"><</span><span class="identifier">SeqOfSeqs</span><span class="special">></span> <span class="keyword">const</span><span class="special">,</span>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span><span class="keyword">class</span> <span class="identifier">SeqOfSeqs</span><span class="special">,</span> <span class="keyword">class</span> <span class="identifier">Func</span><span class="special">></span>
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<span class="keyword">typename</span> <a href="../../algorithm/transformation/metafunctions/transform.html" title="transform"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">transform</span></code></a><span class="special"><</span> <span class="identifier">zip_view</span><span class="special"><</span><span class="identifier">SeqOfSeqs</span><span class="special">></span> <span class="keyword">const</span><span class="special">,</span>
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<span class="identifier">fused_function_object</span><span class="special"><</span><span class="identifier">Func</span> <span class="keyword">const</span> <span class="special">&></span> <span class="special">>::</span><span class="identifier">type</span>
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<span class="identifier">n_ary_transform</span><span class="special">(</span><span class="identifier">SeqOfSeqs</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">s</span><span class="special">,</span> <span class="identifier">Func</span> <span class="keyword">const</span> <span class="special">&</span> <span class="identifier">f</span><span class="special">)</span>
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<span class="special">{</span>
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<span class="keyword">return</span> <a href="../../algorithm/transformation/functions/transform.html" title="transform"><tt class="computeroutput"><span class="identifier">transform</span></tt></a><span class="special">(</span><span class="identifier">zip_view</span><span class="special"><</span><span class="identifier">SeqOfSeqs</span><span class="special">>(</span><span class="identifier">s</span><span class="special">),</span>
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<span class="keyword">return</span> <a href="../../algorithm/transformation/functions/transform.html" title="transform"><code class="computeroutput"><span class="identifier">transform</span></code></a><span class="special">(</span><span class="identifier">zip_view</span><span class="special"><</span><span class="identifier">SeqOfSeqs</span><span class="special">>(</span><span class="identifier">s</span><span class="special">),</span>
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<span class="identifier">fused_function_object</span><span class="special"><</span><span class="identifier">Func</span> <span class="keyword">const</span> <span class="special">&>(</span><span class="identifier">f</span><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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<a href="../../container/vector.html" title="vector"><tt class="computeroutput"><span class="identifier">vector</span></tt></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">float</span><span class="special">></span> <span class="identifier">a</span><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">2.0f</span><span class="special">);</span>
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<a href="../../container/vector.html" title="vector"><tt class="computeroutput"><span class="identifier">vector</span></tt></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">float</span><span class="special">></span> <span class="identifier">b</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">1.5f</span><span class="special">);</span>
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<a href="../../container/vector.html" title="vector"><tt class="computeroutput"><span class="identifier">vector</span></tt></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">float</span><span class="special">></span> <span class="identifier">c</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">0.5f</span><span class="special">);</span>
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<span class="identifier">assert</span><span class="special">(</span><span class="identifier">c</span> <span class="special">==</span> <span class="identifier">n_ary_transform</span><span class="special">(</span><a href="../../container/generation/functions/vector_tie.html" title="vector_tie"><tt class="computeroutput"><span class="identifier">vector_tie</span></tt></a><span class="special">(</span><span class="identifier">a</span><span class="special">,</span><span class="identifier">b</span><span class="special">),</span> <span class="identifier">sub</span><span class="special">()));</span>
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<a href="../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">float</span><span class="special">></span> <span class="identifier">a</span><span class="special">(</span><span class="number">2</span><span class="special">,</span><span class="number">2.0f</span><span class="special">);</span>
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<a href="../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">float</span><span class="special">></span> <span class="identifier">b</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">1.5f</span><span class="special">);</span>
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<a href="../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">float</span><span class="special">></span> <span class="identifier">c</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">0.5f</span><span class="special">);</span>
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<span class="identifier">assert</span><span class="special">(</span><span class="identifier">c</span> <span class="special">==</span> <span class="identifier">n_ary_transform</span><span class="special">(</span><a href="../../container/generation/functions/vector_tie.html" title="vector_tie"><code class="computeroutput"><span class="identifier">vector_tie</span></code></a><span class="special">(</span><span class="identifier">a</span><span class="special">,</span><span class="identifier">b</span><span class="special">),</span> <span class="identifier">sub</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.adapters.fused_function_object.see_also"></a><h5>
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<a name="id666351"></a>
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||||
<a name="id1312074"></a>
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||||
<a href="fused_function_object.html#fusion.functional.adapters.fused_function_object.see_also">See
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||||
also</a>
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</h5>
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||||
<div class="itemizedlist"><ul type="disc">
|
||||
<li><a href="fused.html" title="fused"><tt class="computeroutput"><span class="identifier">fused</span></tt></a></li>
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||||
<li><a href="fused_procedure.html" title="fused_procedure"><tt class="computeroutput"><span class="identifier">fused_procedure</span></tt></a></li>
|
||||
<li><a href="fused.html" title="fused"><code class="computeroutput"><span class="identifier">fused</span></code></a></li>
|
||||
<li><a href="fused_procedure.html" title="fused_procedure"><code class="computeroutput"><span class="identifier">fused_procedure</span></code></a></li>
|
||||
<li><a href="../invocation/functions/invoke_fobj.html" title="
|
||||
invoke_function_object"><tt class="computeroutput"><span class="identifier">invoke_function_object</span></tt></a></li>
|
||||
<li><a href="../../support/deduce.html" title="deduce"><tt class="computeroutput"><span class="identifier">deduce</span></tt></a></li>
|
||||
invoke_function_object"><code class="computeroutput"><span class="identifier">invoke_function_object</span></code></a></li>
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||||
<li><a href="../generation/functions/mk_fused_fobj.html" title="
|
||||
make_fused_function_object"><code class="computeroutput"><span class="identifier">make_fused_function_object</span></code></a></li>
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||||
<li><a href="../../support/deduce.html" title="deduce"><code class="computeroutput"><span class="identifier">deduce</span></code></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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</tr></table>
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<hr>
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<div class="spirit-nav">
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<a accesskey="p" href="fused_procedure.html"><img src="../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../adapters.html"><img src="../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="unfused_generic.html"><img src="../../../../../../../doc/html/images/next.png" alt="Next"></a>
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