Swiftdiff options
| author | Kevin Smith <git@kismith.co.uk> | 2013-01-12 18:41:34 (GMT) |
|---|---|---|
| committer | Swift Review <review@swift.im> | 2013-01-13 10:36:26 (GMT) |
| commit | f3bc816af1b0d61452de973963e453bf3b3f95a2 (patch) | |
| tree | e895f8afa3580e6cff6f5ad2017d45bf147a17c2 /3rdParty/Boost/src/boost/fusion/iterator/distance.hpp | |
| parent | 188fc285c6555eadd3c9d50ab8a94adcade78d89 (diff) | |
| download | swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.zip swift-f3bc816af1b0d61452de973963e453bf3b3f95a2.tar.bz2 | |
Adding in the spirit Boost stuff
Change-Id: I4f127ce61667243b64081b0aa309028d5077045f
Diffstat (limited to '3rdParty/Boost/src/boost/fusion/iterator/distance.hpp')
| -rw-r--r-- | 3rdParty/Boost/src/boost/fusion/iterator/distance.hpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/iterator/distance.hpp b/3rdParty/Boost/src/boost/fusion/iterator/distance.hpp new file mode 100644 index 0000000..74d2d3e --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/iterator/distance.hpp @@ -0,0 +1,78 @@ +/*============================================================================= + Copyright (c) 2001-2011 Joel de Guzman + + Distributed under the Boost Software License, Version 1.0. (See accompanying + file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) +==============================================================================*/ +#if !defined(FUSION_DISTANCE_09172005_0721) +#define FUSION_DISTANCE_09172005_0721 + +#include <boost/fusion/iterator/detail/distance.hpp> +#include <boost/fusion/support/category_of.hpp> + +#include <boost/mpl/int.hpp> +#include <boost/mpl/assert.hpp> +#include <boost/type_traits/is_same.hpp> + +#include <boost/fusion/support/tag_of.hpp> + +namespace boost { namespace fusion +{ + struct random_access_traversal_tag; + + // Special tags: + struct iterator_facade_tag; // iterator facade tag + struct boost_array_iterator_tag; // boost::array iterator tag + struct mpl_iterator_tag; // mpl sequence iterator tag + struct std_pair_iterator_tag; // std::pair iterator tag + + namespace extension + { + template <typename Tag> + struct distance_impl + { + // default implementation + template <typename First, typename Last> + struct apply : distance_detail::linear_distance<First, Last> + {}; + }; + + template <> + struct distance_impl<iterator_facade_tag> + { + template <typename First, typename Last> + struct apply : First::template distance<First, Last> {}; + }; + + template <> + struct distance_impl<boost_array_iterator_tag>; + + template <> + struct distance_impl<mpl_iterator_tag>; + + template <> + struct distance_impl<std_pair_iterator_tag>; + } + + namespace result_of + { + template <typename First, typename Last> + struct distance + : extension::distance_impl<typename detail::tag_of<First>::type>:: + template apply<First, Last> + { + typedef typename extension::distance_impl<typename detail::tag_of<First>::type>:: + template apply<First, Last>::type distance_application; + BOOST_STATIC_CONSTANT(int, value = distance_application::value); + }; + } + + template <typename First, typename Last> + inline typename result_of::distance<First, Last>::type + distance(First const& a, Last const& b) + { + return result_of::distance<First, Last>::call(a,b); + } +}} + +#endif |