1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 2<html> 3<head> 4<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 5<title>Struct template function</title> 6<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> 7<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 8<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> 9<link rel="up" href="../../proto/reference.html#header.boost.proto.traits_hpp" title="Header <boost/proto/traits.hpp>"> 10<link rel="prev" href="subscript/impl.html" title="Struct template impl"> 11<link rel="next" href="function/impl.html" title="Struct template impl"> 12</head> 13<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 14<table cellpadding="2" width="100%"><tr> 15<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../boost.png"></td> 16<td align="center"><a href="../../../../index.html">Home</a></td> 17<td align="center"><a href="../../../../libs/libraries.htm">Libraries</a></td> 18<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 19<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 20<td align="center"><a href="../../../../more/index.htm">More</a></td> 21</tr></table> 22<hr> 23<div class="spirit-nav"> 24<a accesskey="p" href="subscript/impl.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../proto/reference.html#header.boost.proto.traits_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="function/impl.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 25</div> 26<div class="refentry"> 27<a name="boost.proto.function"></a><div class="titlepage"></div> 28<div class="refnamediv"> 29<h2><span class="refentrytitle">Struct template function</span></h2> 30<p>boost::proto::function — A metafunction for generating function-call expression types, a grammar element for 31 matching function-call expressions, and 32 a <a class="link" href="../../PrimitiveTransform.html" title="Concept PrimitiveTransform">PrimitiveTransform</a> 33 that dispatches to the 34 <code class="computeroutput"><a class="link" href="pass_through.html" title="Struct template pass_through">proto::pass_through<></a></code> 35 transform.</p> 36</div> 37<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 38<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="../../proto/reference.html#header.boost.proto.traits_hpp" title="Header <boost/proto/traits.hpp>">boost/proto/traits.hpp</a>> 39 40</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span><span class="special">...</span> A<span class="special">></span> 41<span class="keyword">struct</span> <a class="link" href="function.html" title="Struct template function">function</a> <span class="special">:</span> <span class="keyword"></span> <a class="link" href="transform.html" title="Struct template transform">proto::transform</a><span class="special"><</span> <span class="identifier">function</span><span class="special"><</span><span class="identifier">A</span><span class="special">...</span><span class="special">></span> <span class="special">></span> <span class="special">{</span> 42 <span class="comment">// types</span> 43 <span class="keyword">typedef</span> <a class="link" href="expr.html" title="Struct template expr">proto::expr</a><span class="special"><</span> <a class="link" href="tag/function.html" title="Struct function">proto::tag::function</a><span class="special">,</span> <a class="link" href="listN.html" title="Struct template listN">proto::listN</a><span class="special"><</span> <span class="identifier">A</span><span class="special">...</span> <span class="special">></span> <span class="special">></span> <a name="boost.proto.function.type"></a><span class="identifier">type</span><span class="special">;</span> 44 <span class="keyword">typedef</span> <a class="link" href="basic_expr.html" title="Struct template basic_expr">proto::basic_expr</a><span class="special"><</span> <a class="link" href="tag/function.html" title="Struct function">proto::tag::function</a><span class="special">,</span> <a class="link" href="listN.html" title="Struct template listN">proto::listN</a><span class="special"><</span> <span class="identifier">A</span><span class="special">...</span> <span class="special">></span> <span class="special">></span> <a name="boost.proto.function.proto_grammar"></a><span class="identifier">proto_grammar</span><span class="special">;</span> 45 46 <span class="comment">// member classes/structs/unions</span> 47 <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <a class="link" href="../../Expr.html" title="Concept Expr">Expr</a><span class="special">,</span> <span class="keyword">typename</span> State<span class="special">,</span> <span class="keyword">typename</span> Data<span class="special">></span> 48 <span class="keyword">struct</span> <a class="link" href="function/impl.html" title="Struct template impl">impl</a> <span class="special">:</span> 49 <span class="keyword"></span> <a class="link" href="pass_through.html" title="Struct template pass_through">proto::pass_through</a><function>::template impl<Expr, State, Data> 50 <span class="special">{</span> 51 <span class="special">}</span><span class="special">;</span> 52<span class="special">}</span><span class="special">;</span></pre></div> 53<div class="refsect1"> 54<a name="id-1.3.33.5.41.65.4"></a><h2>Description</h2> 55</div> 56</div> 57<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 58<td align="left"></td> 59<td align="right"><div class="copyright-footer">Copyright © 2008 Eric Niebler<p> 60 Distributed under the Boost Software License, Version 1.0. (See accompanying 61 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>) 62 </p> 63</div></td> 64</tr></table> 65<hr> 66<div class="spirit-nav"> 67<a accesskey="p" href="subscript/impl.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../proto/reference.html#header.boost.proto.traits_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="function/impl.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> 68</div> 69</body> 70</html> 71
