boost-react-native-bundle
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Boost library as in https://sourceforge.net/projects/boost/files/boost/1.57.0/
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<dt><span class="section"><a href="reference.html#function.definitions">Definitions</a></span></dt>
<dt><span class="section"><a href="reference.html#header.boost.function_hpp">Header <boost/function.hpp></a></span></dt>
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<a name="function.definitions"></a>Definitions</h3></div></div></div>
<p>
</p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
<p>A function object <code class="computeroutput">f</code> is
<span class="emphasis"><em>compatible</em></span> if for the given set of argument
types <code class="computeroutput">Arg1</code>,
<code class="computeroutput">Arg2</code>, ...,
<code class="computeroutput">ArgN</code> and a
return type <code class="computeroutput">ResultType</code>, the
appropriate following function is well-formed:
</p>
<pre class="programlisting">
<span class="emphasis"><em>// if ResultType is not <span class="bold"><strong>void</strong></span></em></span>
ResultType foo(Arg1 arg1, Arg2 arg2, ..., Arg<span class="emphasis"><em>N</em></span> arg<span class="emphasis"><em>N</em></span>)
{
<span class="bold"><strong>return</strong></span> f(arg1, arg2, ..., arg<span class="emphasis"><em>N</em></span>);
}
<span class="emphasis"><em>// if ResultType is <span class="bold"><strong>void</strong></span></em></span>
ResultType foo(Arg1 arg1, Arg2 arg2, ..., Arg<span class="emphasis"><em>N</em></span> arg<span class="emphasis"><em>N</em></span>)
{
f(arg1, arg2, ..., arg<span class="emphasis"><em>N</em></span>);
}
</pre>
<p> A special provision is made for pointers to member
functions. Though they are not function objects, Boost.Function
will adapt them internally to function objects. This requires
that a pointer to member function of the form <code class="computeroutput">R
(X::*mf)(Arg1, Arg2, ..., ArgN)
cv-quals</code> be adapted to a
function object with the following function call operator
overloads:
</p>
<pre class="programlisting">
<span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename P</strong></span>>
R <span class="bold"><strong>operator</strong></span>()(<span class="emphasis"><em>cv-quals</em></span> P& x, Arg1 arg1, Arg2 arg2, ..., Arg<span class="emphasis"><em>N</em></span> arg<span class="emphasis"><em>N</em></span>) <span class="bold"><strong>const</strong></span>
{
<span class="bold"><strong>return</strong></span> (*x).*mf(arg1, arg2, ..., arg<span class="emphasis"><em>N</em></span>);
}
</pre>
<p>
</p>
</li>
<li class="listitem"><p>A function object <code class="computeroutput">f</code> of
type <code class="computeroutput">F</code> is
<span class="emphasis"><em>stateless</em></span> if it is a function pointer or if
<code class="computeroutput">boost::is_stateless<F></code>
is true. The construction of or copy to a Boost.Function object
from a stateless function object will not cause exceptions to be
thrown and will not allocate any storage.
</p></li>
</ul></div>
<p>
</p>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="header.boost.function_hpp"></a>Header <<a href="../../../boost/function.hpp" target="_top">boost/function.hpp</a>></h3></div></div></div>
<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
<span class="keyword">class</span> <a class="link" href="../boost/bad_function_call.html" title="Class bad_function_call">bad_function_call</a><span class="special">;</span>
<span class="keyword">class</span> <a class="link" href="../boost/function_base.html" title="Class function_base">function_base</a><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> R<span class="special">,</span> <span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">></span>
<span class="keyword">class</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">></span>
<span class="keyword">void</span> <a class="link" href="../boost/functionN.html#boost.functionN.swap_idp104122416"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp94067824-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <span class="identifier">Functor</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp110025376-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="identifier">Functor</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp110394032-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">,</span>
reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp103941328-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span>reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> U1<span class="special">,</span>
<span class="keyword">typename</span> U2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> UN<span class="special">></span>
<span class="keyword">void</span> <a class="link" href="../boost/functionN.html#idp41004448-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">U1</span><span class="special">,</span> <span class="identifier">U2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">UN</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp105178608-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <span class="identifier">Functor</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp38586176-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="identifier">Functor</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp43136944-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">,</span>
reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/functionN.html#idp113583152-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span>reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">,</span> <span class="keyword">typename</span> U1<span class="special">,</span>
<span class="keyword">typename</span> U2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> UN<span class="special">></span>
<span class="keyword">void</span> <a class="link" href="../boost/functionN.html#idp95388224-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">TN</span><span class="special">></span><span class="special">&</span><span class="special">,</span>
<span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special"><</span><span class="identifier">U1</span><span class="special">,</span> <span class="identifier">U2</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">UN</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">></span> <span class="keyword">class</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">></span>
<span class="keyword">void</span> <a class="link" href="../boost/function.html#boost.function.swap_idp76190448"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp113383552-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <span class="identifier">Functor</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp95785712-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="identifier">Functor</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp37641488-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">,</span> reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp105237024-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span>reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature1<span class="special">,</span> <span class="keyword">typename</span> Signature2<span class="special">></span>
<span class="keyword">void</span> <a class="link" href="../boost/function.html#idp69032896-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature1</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature2</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp47556672-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <span class="identifier">Functor</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp101036032-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="identifier">Functor</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp54996816-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">,</span> reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature<span class="special">,</span> <span class="keyword">typename</span> Functor<span class="special">></span>
<span class="keyword">bool</span> <a class="link" href="../boost/function.html#idp110874944-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span>reference_wrapper<span class="special"><</span><span class="identifier">Functor</span><span class="special">></span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Signature1<span class="special">,</span> <span class="keyword">typename</span> Signature2<span class="special">></span>
<span class="keyword">void</span> <a class="link" href="../boost/function.html#idp99861584-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature1</span><span class="special">></span><span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/function.html" title="Class template function">function</a><span class="special"><</span><span class="identifier">Signature2</span><span class="special">></span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span></pre>
</div>
<div class="section">
<div class="titlepage"><div><div><h3 class="title">
<a name="header.boost.function_equal_hpp"></a>Header <<a href="../../../boost/function_equal.hpp" target="_top">boost/function_equal.hpp</a>></h3></div></div></div>
<pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> F<span class="special">,</span> <span class="keyword">typename</span> G<span class="special">></span> <span class="keyword">bool</span> <a class="link" href="../boost/function_equal.html" title="Function template function_equal"><span class="identifier">function_equal</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">F</span><span class="special">&</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">G</span><span class="special">&</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span></pre>
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