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:
equal_to_value(ConstReference t)38    equal_to_value(ConstReference t)
39       :  t_(t)
40    {}
41 
operator ()(ConstReference t) const42    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
51