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| <a name="function.reference"></a>Reference</h2></div></div></div> |
| <div class="toc"><dl> |
| <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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| <div class="titlepage"><div><div><h3 class="title"> |
| <a name="function.definitions"></a>Definitions</h3></div></div></div> |
| <p> |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" 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<T></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_id446608"><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#id360118-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#id392471-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#id461946-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> |
| <a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id351441-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id322037-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#id340991-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#id430735-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#id351416-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> |
| <a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id466065-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id446590-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_id461955"><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#id442662-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#id362021-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#id428493-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> <a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id410850-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id356453-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#id578348-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#id343372-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#id403648-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> <a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id440696-bb"><span class="keyword">operator</span><span class="special">!=</span></a><span class="special">(</span><a class="link" href="../boost/reference_wrapper.html" title="Class template reference_wrapper">reference_wrapper</a><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#id348511-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> |
| </div> |
| </div> |
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| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2001-2004 Douglas Gregor<p>Use, modification and distribution is subject to the Boost |
| Software License, Version 1.0. (See accompanying file |
| <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p> |
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