ceph/src/boost/libs/proto/doc/reference/functional/range/empty.xml

   1 <?xml version="1.0" encoding="utf-8"?>
   2 <!--
   3   Copyright 2012 Eric Niebler
   4
   5   Distributed under the Boost
   6   Software License, Version 1.0. (See accompanying
   7   file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   8   -->
   9 <header name="boost/proto/functional/range/empty.hpp">
  10   <para>Includes Proto callable <code><classname>boost::proto::functional::empty</classname></code>.</para>
  11
  12   <namespace name="boost">
  13     <namespace name="proto">
  14       <namespace name="functional">
  15
  16         <!-- proto::functional::empty -->
  17         <struct name="empty">
  18           <purpose>A <conceptname>PolymorphicFunctionObject</conceptname> type that invokes the
  19             <code>boost::empty()</code> function on its arguments.</purpose>
  20           <description>
  21             <para>
  22               A <conceptname>PolymorphicFunctionObject</conceptname> type that invokes the
  23               <code>boost::empty()</code> function on its arguments.</para>
  24           </description>
  25           <inherit>
  26             <type><classname>proto::callable</classname></type>
  27           </inherit>
  28           <typedef name="result_type">
  29             <type>bool</type>
  30           </typedef>
  31           <method-group name="public member functions">
  32             <method name="operator()" cv="const">
  33               <type>bool</type>
  34               <template>
  35                 <template-type-parameter name="Range"/>
  36               </template>
  37               <parameter name="rng">
  38                 <paramtype>Range const &amp;</paramtype>
  39               </parameter>
  40               <returns>
  41                 <para><code>boost::empty(rng)</code></para>
  42               </returns>
  43             </method>
  44           </method-group>
  45         </struct>
  46
  47       </namespace>
  48     </namespace>
  49   </namespace>
  50 </header>