ceph/src/boost/libs/icl/include/boost/icl/detail/associated_value.hpp

   1 /*-----------------------------------------------------------------------------+
   2 Copyright (c) 2010-2010: Joachim Faulhaber
   3 +------------------------------------------------------------------------------+
   4    Distributed under the Boost Software License, Version 1.0.
   5       (See accompanying file LICENCE.txt or copy at
   6            http://www.boost.org/LICENSE_1_0.txt)
   7 +-----------------------------------------------------------------------------*/
   8 #ifndef BOOST_ICL_DETAIL_ASSOCIATED_VALUE_HPP_JOFA_100829
   9 #define BOOST_ICL_DETAIL_ASSOCIATED_VALUE_HPP_JOFA_100829
  10
  11 #include <boost/icl/detail/design_config.hpp>
  12 #include <boost/icl/type_traits/is_combinable.hpp>
  13 #include <boost/mpl/not.hpp>
  14 #include <boost/mpl/and.hpp>
  15
  16 namespace boost{namespace icl
  17 {
  18
  19 template<class Type, class CoType>
  20 typename enable_if< mpl::and_< is_key_compare_equal<Type,CoType>
  21                              , mpl::and_<is_map<Type>, is_map<CoType> > >,
  22                     bool>::type
  23 co_equal(typename Type::const_iterator left_, typename CoType::const_iterator right_,
  24          const Type* = 0, const CoType* = 0)
  25 {
  26     return co_value<Type>(left_) == co_value<CoType>(right_);
  27 }
  28
  29 template<class Type, class CoType>
  30 typename enable_if< mpl::and_< is_key_compare_equal<Type,CoType>
  31                              , mpl::not_<mpl::and_<is_map<Type>, is_map<CoType> > > >,
  32                   bool>::type
  33 co_equal(typename Type::const_iterator, typename CoType::const_iterator,
  34          const Type* = 0, const CoType* = 0)
  35 {
  36     return true;
  37 }
  38
  39
  40 }} // namespace icl boost
  41
  42 #endif
  43