boost/fusion/sequence/comparison/greater_equal.hpp

   1 /*=============================================================================
   2     Copyright (c) 1999-2003 Jaakko Jarvi
   3     Copyright (c) 2001-2011 Joel de Guzman
   4
   5     Distributed under the Boost Software License, Version 1.0. (See accompanying
   6     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   7 ==============================================================================*/
   8 #if !defined(FUSION_GREATER_EQUAL_05052005_0432)
   9 #define FUSION_GREATER_EQUAL_05052005_0432
  10
  11 #include <boost/fusion/sequence/intrinsic/begin.hpp>
  12 #include <boost/fusion/sequence/intrinsic/end.hpp>
  13 #include <boost/fusion/sequence/intrinsic/size.hpp>
  14 #include <boost/fusion/sequence/comparison/enable_comparison.hpp>
  15
  16 #if defined(FUSION_DIRECT_OPERATOR_USAGE)
  17 #include <boost/fusion/sequence/comparison/detail/greater_equal.hpp>
  18 #else
  19 #include <boost/fusion/sequence/comparison/less.hpp>
  20 #endif
  21
  22 namespace boost { namespace fusion
  23 {
  24     template <typename Seq1, typename Seq2>
  25     inline bool
  26     greater_equal(Seq1 const& a, Seq2 const& b)
  27     {
  28 #if defined(FUSION_DIRECT_OPERATOR_USAGE)
  29         return detail::sequence_greater_equal<Seq1 const, Seq2 const>::
  30             call(fusion::begin(a), fusion::begin(b));
  31 #else
  32         return !(a < b);
  33 #endif
  34     }
  35
  36     namespace operators
  37     {
  38         template <typename Seq1, typename Seq2>
  39         inline typename
  40             boost::enable_if<
  41                 traits::enable_comparison<Seq1, Seq2>
  42               , bool
  43             >::type
  44         operator>=(Seq1 const& a, Seq2 const& b)
  45         {
  46             return fusion::greater_equal(a, b);
  47         }
  48     }
  49     using operators::operator>=;
  50 }}
  51
  52 #endif