ceph/src/boost/libs/icl/include/boost/icl/interval_traits.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_INTERVAL_TRAITS_HPP_JOFA_100926
   9 #define BOOST_ICL_INTERVAL_TRAITS_HPP_JOFA_100926
  10
  11 #include <boost/icl/type_traits/domain_type_of.hpp>
  12 #include <boost/icl/type_traits/difference_type_of.hpp>
  13 #include <boost/icl/type_traits/size_type_of.hpp>
  14
  15 namespace boost{ namespace icl
  16 {
  17
  18 template<class Type> struct interval_traits;
  19
  20 template<class Type>
  21 struct domain_type_of<interval_traits<Type> >
  22 {
  23     typedef typename interval_traits<Type>::domain_type type;
  24 };
  25
  26 //------------------------------------------------------------------------------
  27 //- Adapter class
  28 //------------------------------------------------------------------------------
  29 template<class Type> struct interval_traits
  30 {
  31     typedef interval_traits                     type;
  32     typedef typename domain_type_of<Type>::type domain_type;
  33
  34     static Type construct(const domain_type& lo, const domain_type& up);
  35
  36     static domain_type upper(const Type& inter_val);
  37     static domain_type lower(const Type& inter_val);
  38 };
  39
  40 template<class Type>
  41 struct difference_type_of<interval_traits<Type> >
  42 {
  43     typedef typename interval_traits<Type>::domain_type domain_type;
  44     typedef typename difference_type_of<domain_type>::type type;
  45 };
  46
  47 template<class Type>
  48 struct size_type_of<interval_traits<Type> >
  49 {
  50     typedef typename interval_traits<Type>::domain_type domain_type;
  51     typedef typename size_type_of<domain_type>::type type;
  52 };
  53
  54 }} // namespace boost icl
  55
  56 #endif
  57
  58