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diff --git a/doc/html/boost/proto/otherwise.html b/doc/html/boost/proto/otherwise.html new file mode 100755 index 0000000000..6a4862b5f1 --- /dev/null +++ b/doc/html/boost/proto/otherwise.html @@ -0,0 +1,74 @@ +<html> +<head> +<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> +<title>Struct template otherwise</title> +<link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> +<meta name="generator" content="DocBook XSL Stylesheets V1.76.1"> +<link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> +<link rel="up" href="../../proto/reference.html#header.boost.proto.transform.when_hpp" title="Header <boost/proto/transform/when.hpp>"> +<link rel="prev" href="when_Grammar__id1536082/impl.html" title="Struct template impl"> +<link rel="next" href="external_transform.html" title="Struct external_transform"> +</head> +<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 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href="external_transform.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> +</div> +<div class="refentry"> +<a name="boost.proto.otherwise"></a><div class="titlepage"></div> +<div class="refnamediv"> +<h2><span class="refentrytitle">Struct template otherwise</span></h2> +<p>boost::proto::otherwise — + Syntactic sugar for <code class="computeroutput"><a class="link" href="when.html" title="Struct template when">proto::when</a>< <a class="link" href="_.html" title="Struct _">proto::_</a>, Fun ></code>, + for use in grammars to handle all the cases not yet handled. + </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="../../proto/reference.html#header.boost.proto.transform.when_hpp" title="Header <boost/proto/transform/when.hpp>">boost/proto/transform/when.hpp</a>> + +</span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> Fun<span class="special">></span> +<span class="keyword">struct</span> <a class="link" href="otherwise.html" title="Struct template otherwise">otherwise</a> <span class="special">:</span> <span class="keyword"></span> <a class="link" href="when.html" title="Struct template when">proto::when</a>< <a class="link" href="_.html" title="Struct _">proto::_</a>, Fun > <span class="special">{</span> +<span class="special">}</span><span class="special">;</span></pre></div> +<div class="refsect1"> +<a name="id2886251"></a><h2>Description</h2> +<p> + Use <code class="computeroutput">proto::otherwise<T></code> in your grammars as a synonym for + <code class="computeroutput"><a class="link" href="when.html" title="Struct template when">proto::when</a>< <a class="link" href="_.html" title="Struct _">proto::_</a>, Fun ></code> + as in the following transform which counts the number of terminals in an expression. + </p> +<p> + </p> +<pre class="programlisting"><span class="comment">// Count the terminals in an expression tree.</span> +<span class="comment">// Must be invoked with initial state == mpl::int_<0>().</span> +<span class="keyword">struct</span> <span class="identifier">CountLeaves</span> <span class="special">:</span> + <a class="link" href="or_.html" title="Struct template or_">proto::or_</a><span class="special"><</span> + <span class="identifier">proto</span><span class="special">::</span><span class="identifier">when</span><span class="special"><</span><a class="link" href="terminal.html" title="Struct template terminal">proto::terminal</a><span class="special"><</span><a class="link" href="_.html" title="Struct _">proto::_</a><span class="special">></span><span class="special">,</span> <span class="identifier">mpl</span><span class="special">::</span><span class="identifier">next</span><span class="special"><</span><a class="link" href="_state.html" title="Struct _state">proto::_state</a><span class="special">></span><span class="special">(</span><span class="special">)</span><span class="special">></span><span class="special">,</span> + <span class="identifier">proto</span><span class="special">::</span><span class="identifier">otherwise</span><span class="special"><</span><a class="link" href="fold.html" title="Struct template fold">proto::fold</a><span class="special"><</span><a class="link" href="_.html" title="Struct _">proto::_</a><span class="special">,</span> <a class="link" href="_state.html" title="Struct _state">proto::_state</a><span class="special">,</span> <span class="identifier">CountLeaves</span><span class="special">></span> <span class="special">></span> + <span class="special">></span> +<span class="special">{</span><span class="special">}</span><span class="special">;</span></pre> +<p> + </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="when_Grammar__id1536082/impl.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../proto/reference.html#header.boost.proto.transform.when_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="external_transform.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> +</div> +</body> +</html> |