<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>Struct template listN</title> <link rel="stylesheet" href="../../boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> <link rel="up" href="../../proto/reference.html#header.boost.proto.args_hpp" title="Header <boost/proto/args.hpp>"> <link rel="prev" href="term.html" title="Struct template term"> <link rel="next" href="functional/display_expr.html" title="Struct display_expr"> </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="term.html"><img src="../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../proto/reference.html#header.boost.proto.args_hpp"><img src="../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="functional/display_expr.html"><img src="../../../../doc/html/images/next.png" alt="Next"></a> </div> <div class="refentry" title="Struct template listN"> <a name="boost.proto.listN"></a><div class="titlepage"></div> <div class="refnamediv"> <h2><span class="refentrytitle">Struct template listN</span></h2> <p>boost::proto::listN — <code class="computeroutput">proto::list1<></code>, <code class="computeroutput">proto::list2<></code>, etc., are type sequences for use as the 2<sup>nd</sup> parameter to the <code class="computeroutput"> <a class="link" href="expr.html" title="Struct template expr">proto::expr<></a></code> class template.</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="emphasis"><em>// In header: <<a class="link" href="../../proto/reference.html#header.boost.proto.args_hpp" title="Header <boost/proto/args.hpp>">boost/proto/args.hpp</a>> </em></span><span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span>... Arg> <span class="bold"><strong>struct</strong></span> <a class="link" href="listN.html" title="Struct template listN">listN</a> { <span class="emphasis"><em>// types</em></span> <span class="bold"><strong>typedef</strong></span> Arg<em class="replaceable"><code>M</code></em> <a name="boost.proto.listN.childM"></a>childM; <span class="emphasis"><em>// For each <em class="replaceable"><code>M</code></em> in <em class="replaceable"><code>[0,N)</code></em></em></span> <span class="bold"><strong>static</strong></span> <span class="type"><span class="bold"><strong>const</strong></span> <span class="bold"><strong>long</strong></span></span> arity; <span class="emphasis"><em>// <code class="computeroutput">= N;</code></em></span> };</pre></div> <div class="refsect1" title="Description"> <a name="id1580063"></a><h2>Description</h2> <p> Type sequences, for use as the 2<sup>nd</sup> parameter to the <code class="computeroutput"> <a class="link" href="expr.html" title="Struct template expr">proto::expr<></a></code> class template. The types in the sequence correspond to the children of a node in an expression tree. There is no type literally named "<code class="computeroutput">listN</code>"; rather, there is a set of types named <code class="computeroutput">proto::list1<></code>, <code class="computeroutput">proto::list2<></code>, etc. </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 © 2008 Eric Niebler<p> Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt 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="term.html"><img src="../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../proto/reference.html#header.boost.proto.args_hpp"><img src="../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="functional/display_expr.html"><img src="../../../../doc/html/images/next.png" alt="Next"></a> </div> </body> </html>