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<TITLE>pointer_to_binary_function</TITLE>
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<A HREF="plus.html"><IMG SRC="images/bprev.gif" WIDTH=20 HEIGHT=21 ALT="Previous file" BORDER=O></A><A HREF="noframes.html"><IMG SRC="images/btop.gif" WIDTH=56 HEIGHT=21 ALT="Top of Document" BORDER=O></A><A HREF="booktoc.html"><IMG SRC="images/btoc.gif" WIDTH=56 HEIGHT=21 ALT="Contents" BORDER=O></A><A HREF="tindex.html"><IMG SRC="images/bindex.gif" WIDTH=56 HEIGHT=21 ALT="Index page" BORDER=O></A><A HREF="pointer-to-unary-function.html"><IMG SRC="images/bnext.gif" WIDTH=25 HEIGHT=21 ALT="Next file" BORDER=O></A><DIV CLASS="DOCUMENTNAME"><B>Apache C++ Standard Library Reference Guide</B></DIV>
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<H2>pointer_to_binary_function</H2>
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<P><B>Library:</B> <A HREF="2-4.html">General utilities</A></P>
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<PRE><HR><B><I>pointer_to_binary_function</I></B> <IMG SRC="images/inherits.gif"> <B><I><A HREF="binary-function.html">binary_function</A></I></B><HR></PRE>
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<UL>
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<LI><A HREF="#sec1">Local Index</A></LI>
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<LI><A HREF="#sec2">Summary</A></LI>
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<LI><A HREF="#sec3">Synopsis</A></LI>
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<LI><A HREF="#sec4">Description</A></LI>
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<LI><A HREF="#sec5">Interface</A></LI>
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<LI><A HREF="#sec6">See Also</A></LI>
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<LI><A HREF="#sec7">Standards Conformance</A></LI>
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</UL>
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<A NAME="sec1"><H3>Local Index</H3></A>
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No Entries
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<A NAME="sec2"><H3>Summary</H3></A>
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<P>A function object that adapts a pointer to a binary function, to take the place of a <B><I><A HREF="binary-function.html">binary_function</A></I></B></P>
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<A NAME="sec3"><H3>Synopsis</H3></A>
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<PRE>#include <functional>
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namespace std {
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template <class Arg1, class Arg2, class Result>
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class pointer_to_binary_function;
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}
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</PRE>
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<A NAME="sec4"><H3>Description</H3></A>
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<P>The <B><I>pointer_to_binary_function</I></B> class encapsulates a pointer to a two-argument function. The class uses <SAMP>operator()</SAMP> so that the resulting object serves as a binary function object for that function. </P>
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<P>The <SAMP><A HREF="ptr-fun.html">ptr_fun()</A></SAMP> function is overloaded to create instances of a <B><I>pointer_to_binary_function</I></B> when included with the appropriate pointer to a function. </P>
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<A NAME="sec5"><H3>Interface</H3></A>
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<UL><PRE>namespace std {
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template <class Arg1, class Arg2, class Result>
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class pointer_to_binary_function : public
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binary_function<Arg1, Arg2, Result> {
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public:
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explicit pointer_to_binary_function
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(Result (*f)(Arg1, Arg2));
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Result operator() (const Arg1&, const Arg2&) const;
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};
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}
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</PRE></UL>
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<A NAME="sec6"><H3>See Also</H3></A>
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<P><B><I><A HREF="binary-function.html">binary_function</A></I></B>, <A HREF="functionobjects.html">Function Objects</A>, <B><I><A HREF="pointer-to-unary-function.html">pointer_to_unary_function</A></I></B>, <SAMP><A HREF="ptr-fun.html">ptr_fun()</A></SAMP></P>
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<A NAME="sec7"><H3>Standards Conformance</H3></A>
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<P><I>ISO/IEC 14882:1998 -- International Standard for Information Systems -- Programming Language C++, Section 20.3.7</I></P>
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