ceph/src/boost/libs/icl/include/boost/icl/detail/exclusive_less_than.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_EXCLUSIVE_LESS_THAN_HPP_JOFA_100929
   9 #define BOOST_ICL_DETAIL_EXCLUSIVE_LESS_THAN_HPP_JOFA_100929
  10
  11 #include <boost/icl/concept/interval.hpp>
  12
  13 namespace boost{ namespace icl
  14 {
  15
  16 /// Comparison functor on intervals implementing an overlap free less
  17 template <class IntervalT>
  18 struct exclusive_less_than
  19 {
  20     /** Operator <tt>operator()</tt> implements a strict weak ordering on intervals. */
  21     bool operator()(const IntervalT& left, const IntervalT& right)const
  22     {
  23         return icl::non_empty::exclusive_less(left, right);
  24     }
  25 };
  26
  27 }} // namespace boost icl
  28
  29 #endif
  30
  31