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42 lines
1002 B
42 lines
1002 B
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#ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED |
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#define BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED |
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// Copyright Aleksey Gurtovoy 2004 |
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// Copyright Alexander Nasonov 2004 |
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// |
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// Distributed under the Boost Software License, Version 1.0. |
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// (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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// |
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// See http://www.boost.org/libs/mpl for documentation. |
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// $Id: empty_sequence.hpp 49267 2008-10-11 06:19:02Z agurtovoy $ |
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// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $ |
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// $Revision: 49267 $ |
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#include <boost/mpl/size_fwd.hpp> |
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#include <boost/mpl/int.hpp> |
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#include <boost/mpl/iterator_tags.hpp> |
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namespace boost { namespace mpl { |
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struct empty_sequence |
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{ |
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struct tag; |
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struct begin { typedef random_access_iterator_tag category; }; |
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typedef begin end; |
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}; |
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template<> |
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struct size_impl<empty_sequence::tag> |
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{ |
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template< typename Sequence > struct apply |
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: int_<0> |
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{ |
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}; |
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}; |
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}} |
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#endif // #ifndef BOOST_MPL_EMPTY_SEQUENCE_HPP_INCLUDED
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