| <?xml version="1.0" encoding="utf-8" ?> |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
| <meta name="generator" content="Docutils 0.7: http://docutils.sourceforge.net/" /> |
| <title>The MPL Reference Manual: BOOST_MPL_LIMIT_MAP_SIZE</title> |
| <link rel="stylesheet" href="../style.css" type="text/css" /> |
| </head> |
| <body class="docframe refmanual"> |
| <table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./limit-set-size.html" class="navigation-link">Prev</a> <a href="./limit-string-size.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./limit-set-size.html" class="navigation-link">Back</a> <a href="./limit-string-size.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./configuration.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> |
| <td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./macros.html" class="navigation-link">Macros</a> / <a href="./configuration.html" class="navigation-link">Configuration</a> / <a href="./limit-map-size.html" class="navigation-link">BOOST_MPL_LIMIT_MAP_SIZE</a></td> |
| </tr></table><div class="header-separator"></div> |
| <div class="section" id="boost-mpl-limit-map-size"> |
| <h1><a class="toc-backref" href="./configuration.html#id1605">BOOST_MPL_LIMIT_MAP_SIZE</a></h1> |
| <div class="section" id="id1371"> |
| <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> |
| <pre class="literal-block"> |
| #if !defined(<a href="./limit-map-size.html" class="identifier">BOOST_MPL_LIMIT_MAP_SIZE</a>) |
| # define <a href="./limit-map-size.html" class="identifier">BOOST_MPL_LIMIT_MAP_SIZE</a> \ |
| <em>implementation-defined integral constant</em> \ |
| /**/ |
| #endif |
| </pre> |
| </div> |
| <div class="section" id="id1372"> |
| <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> |
| <p><tt class="literal"><span class="pre"><a href="./limit-map-size.html" class="identifier">BOOST_MPL_LIMIT_MAP_SIZE</a></span></tt> is an overridable configuration macro regulating |
| the maximum arity of the <tt class="literal"><span class="pre"><a href="./map.html" class="identifier">map</a></span></tt>'s <a class="reference internal" href="./variadic-sequence.html">variadic form</a>. In this |
| implementation of the library, <tt class="literal"><span class="pre"><a href="./limit-map-size.html" class="identifier">BOOST_MPL_LIMIT_MAP_SIZE</a></span></tt> has a default value |
| of 20. To override the default limit, define <tt class="literal"><span class="pre"><a href="./limit-map-size.html" class="identifier">BOOST_MPL_LIMIT_MAP_SIZE</a></span></tt> to |
| the desired maximum arity rounded up to the nearest multiple of ten before |
| including any library header. [<em>Note:</em> Overriding will take effect |
| <em>only</em> if the library is configured not to use <a class="reference internal" href="./cfg-no-preprocessed-headers.html#boost-mpl-cfg-no-preprocessed">preprocessed headers</a>. See |
| <a class="reference internal" href="./cfg-no-preprocessed-headers.html">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a> for more information. — <em>end note</em>]</p> |
| </div> |
| <div class="section" id="id1374"> |
| <h3><a class="subsection-title" href="#example" name="example">Example</a></h3> |
| <pre class="literal-block"> |
| #define <a href="./cfg-no-preprocessed-headers.html" class="identifier">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a> |
| #define <a href="./limit-map-size.html" class="identifier">BOOST_MPL_LIMIT_MAP_SIZE</a> 10 |
| <tt class="literal"><span class="pre">#</span></tt>include <boost/mpl/<a href="./map.html" class="identifier">map</a>.hpp> |
| <tt class="literal"><span class="pre">#</span></tt>include <boost/mpl/<a href="./pair.html" class="identifier">pair</a>.hpp> |
| <tt class="literal"><span class="pre">#</span></tt>include <boost/mpl/int.hpp> |
| |
| using namespace boost::mpl; |
| |
| template< int i > struct ints : <a href="./pair.html" class="identifier">pair</a>< <a href="./int.html" class="identifier">int_</a><i>,<a href="./int.html" class="identifier">int_</a><i> > {}; |
| |
| typedef <a href="./map.html" class="identifier">map</a>< ints<1> > m_1; |
| typedef <a href="./map.html" class="identifier">map</a>< ints<1>, ints<2>, ints<3>, ints<4>, ints<5> |
| ints<6>, ints<7>, ints<8>, ints<9>, ints<10> > m_10; |
| |
| // typedef <a href="./map.html" class="identifier">map</a>< ints<1>, ints<2>, ints<3>, ints<4>, ints<5> |
| // ints<6>, ints<7>, ints<8>, ints<9>, ints<10>, ints<11> > m_11; // error! |
| </pre> |
| </div> |
| <div class="section" id="id1375"> |
| <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> |
| <p><a class="reference internal" href="./configuration.html">Configuration</a>, <a class="reference internal" href="./cfg-no-preprocessed-headers.html">BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS</a>, <a class="reference internal" href="./limit-set-size.html">BOOST_MPL_LIMIT_SET_SIZE</a></p> |
| <!-- Macros/Configuration//BOOST_MPL_LIMIT_STRING_SIZE |65 --> |
| </div> |
| </div> |
| |
| <div class="footer-separator"></div> |
| <table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./limit-set-size.html" class="navigation-link">Prev</a> <a href="./limit-string-size.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./limit-set-size.html" class="navigation-link">Back</a> <a href="./limit-string-size.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./configuration.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> |
| <td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body> |
| </html> |
