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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_EQUAL_TO_05052005_0431)
9 #define FUSION_EQUAL_TO_05052005_0431
10 
11 #include <boost/fusion/support/config.hpp>
12 #include <boost/fusion/sequence/intrinsic/begin.hpp>
13 #include <boost/fusion/sequence/intrinsic/end.hpp>
14 #include <boost/fusion/sequence/intrinsic/size.hpp>
15 #include <boost/fusion/sequence/comparison/detail/equal_to.hpp>
16 #include <boost/fusion/sequence/comparison/enable_comparison.hpp>
17 #include <boost/config.hpp>
18 
19 #if defined (BOOST_MSVC)
20 #  pragma warning(push)
21 #  pragma warning (disable: 4100) // unreferenced formal parameter
22 #endif
23 
24 namespace boost { namespace fusion
25 {
26     template <typename Seq1, typename Seq2>
27     BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
28     inline bool
equal_to(Seq1 const & a,Seq2 const & b)29     equal_to(Seq1 const& a, Seq2 const& b)
30     {
31         return result_of::size<Seq1>::value == result_of::size<Seq2>::value
32             && detail::sequence_equal_to<
33             Seq1 const, Seq2 const
34             , result_of::size<Seq1>::value == result_of::size<Seq2>::value>::
35             call(fusion::begin(a), fusion::begin(b));
36     }
37 
38     namespace operators
39     {
40         template <typename Seq1, typename Seq2>
41         BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
42         inline typename
43             boost::enable_if<
44                 traits::enable_equality<Seq1, Seq2>
45               , bool
46             >::type
operator ==(Seq1 const & a,Seq2 const & b)47         operator==(Seq1 const& a, Seq2 const& b)
48         {
49             return fusion::equal_to(a, b);
50         }
51     }
52     using operators::operator==;
53 }}
54 
55 #if defined (BOOST_MSVC)
56 #  pragma warning(pop)
57 #endif
58 
59 #endif
60