<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Macro BOOST_VARAINT_MAX_MULTIVIZITOR_PARAMS</title> <link rel="stylesheet" href="../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> <link rel="home" href="index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="variant/reference.html#header.boost.variant.multivisitors_hpp" title="Header <boost/variant/multivisitors.hpp>"> <link rel="prev" href="boost/apply_visitor.html" title="Function apply_visitor"> <link rel="next" href="boost/apply_vi_idm45507092235520.html" title="Function apply_visitor /*three or more variant parameters*/"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../boost.png"></td> <td align="center"><a href="../../index.html">Home</a></td> <td align="center"><a href="../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="boost/apply_visitor.html"><img src="../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="variant/reference.html#header.boost.variant.multivisitors_hpp"><img src="../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="boost/apply_vi_idm45507092235520.html"><img src="../../doc/src/images/next.png" alt="Next"></a> </div> <div class="refentry"> <a name="BOOST_VARAINT_MAX_MULTIVIZITOR_PARAMS"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Macro BOOST_VARAINT_MAX_MULTIVIZITOR_PARAMS</span></h2> <p>BOOST_VARAINT_MAX_MULTIVIZITOR_PARAMS — Controls maximum amount of <code class="computeroutput"><a class="link" href="boost/variant.html" title="Class template variant">variant</a></code> parameters for multi visistors. Not used when <code class="computeroutput">std::tuple</code> is available and <code class="computeroutput"><a class="link" href="BOOST_VARIANT_DO_NOT_USE_VARIADIC_TEMPLATES.html" title="Macro BOOST_VARIANT_DO_NOT_USE_VARIADIC_TEMPLATES">BOOST_VARIANT_DO_NOT_USE_VARIADIC_TEMPLATES</a></code> is not defined.</p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="variant/reference.html#header.boost.variant.multivisitors_hpp" title="Header <boost/variant/multivisitors.hpp>">boost/variant/multivisitors.hpp</a>> </span>BOOST_VARAINT_MAX_MULTIVIZITOR_PARAMS</pre></div> <div class="refsect1"> <a name="idm45555031647824"></a><h2>Description</h2> <p><span class="bold"><strong>Note</strong></span>: Default amount is 4. Define it to bigger value before including <boost/variant/multivisitors.hpp> to increase maximum amount of <code class="computeroutput"><a class="link" href="boost/variant.html" title="Class template variant">variant</a></code> parameters for <a class="link" href="boost/apply_visitor.html" title="Function apply_visitor">apply_visitor</a>.</p> </div> </div> <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> <td align="left"></td> <td align="right"><div class="copyright-footer">Copyright © 2002, 2003 Eric Friedman, Itay Maman<p>Distributed under 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> </div></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="boost/apply_visitor.html"><img src="../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="variant/reference.html#header.boost.variant.multivisitors_hpp"><img src="../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="index.html"><img src="../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="boost/apply_vi_idm45507092235520.html"><img src="../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>