ceph/src/boost/libs/intrusive/include/boost/intrusive/detail/equal_to_value.hpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 //
   3 // (C) Copyright Ion Gaztanaga  2014-2014
   4 //
   5 // Distributed under the Boost Software License, Version 1.0.
   6 //    (See accompanying file LICENSE_1_0.txt or copy at
   7 //          http://www.boost.org/LICENSE_1_0.txt)
   8 //
   9 // See http://www.boost.org/libs/intrusive for documentation.
  10 //
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef BOOST_INTRUSIVE_DETAIL_EQUAL_TO_VALUE_HPP
  14 #define BOOST_INTRUSIVE_DETAIL_EQUAL_TO_VALUE_HPP
  15
  16 #ifndef BOOST_CONFIG_HPP
  17 #  include <boost/config.hpp>
  18 #endif
  19
  20 #if defined(BOOST_HAS_PRAGMA_ONCE)
  21 #  pragma once
  22 #endif
  23
  24 #include <boost/intrusive/detail/workaround.hpp>
  25
  26 namespace boost {
  27 namespace intrusive {
  28 namespace detail {
  29
  30 //This functor compares a stored value
  31 //and the one passed as an argument
  32 template<class ConstReference>
  33 class equal_to_value
  34 {
  35    ConstReference t_;
  36
  37    public:
  38    equal_to_value(ConstReference t)
  39       :  t_(t)
  40    {}
  41
  42    BOOST_INTRUSIVE_FORCEINLINE bool operator()(ConstReference t)const
  43    {  return t_ == t;   }
  44 };
  45
  46 }  //namespace detail{
  47 }  //namespace intrusive{
  48 }  //namespace boost{
  49
  50 #endif //BOOST_INTRUSIVE_DETAIL_EQUAL_TO_VALUE_HPP