1<?xml version="1.0" encoding="utf-8"?> 2<!DOCTYPE header PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN" 3 "http://www.boost.org/tools/boostbook/dtd/boostbook.dtd"> 4<!-- 5 Copyright 2003, Eric Friedman, Itay Maman. 6 7 Distributed under the Boost Software License, Version 1.0. (See accompanying 8 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 9--> 10<header name="boost/variant/static_visitor.hpp"> 11 <namespace name="boost"> 12 13 <class name="static_visitor"> 14 <template> 15 <template-type-parameter name="ResultType"/> 16 </template> 17 18 <purpose>Convenient base type for static visitors.</purpose> 19 <description> 20 <simpara>Denotes the intent of the deriving class as meeting the 21 requirements of a static visitor of some type. Also exposes the 22 inner type <code>result_type</code> as required by the 23 <link linkend="variant.concepts.static-visitor"><emphasis>StaticVisitor</emphasis></link> 24 concept.</simpara> 25 <simpara><emphasis role="bold">Notes</emphasis>: 26 <code>static_visitor</code> is intended for use as a base type only 27 and is therefore noninstantiable.</simpara> 28 </description> 29 30 <typedef name="result_type"> 31 <type>ResultType</type> 32 <purpose>Exposes result_type member as required by StaticVisitor concept.</purpose> 33 </typedef> 34 </class> 35 36 </namespace> 37</header> 38