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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/iterator/iterator_facade.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/iterator/iterator_facade.hpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/iterator/iterator_facade.hpp b/3rdParty/Boost/src/boost/fusion/iterator/iterator_facade.hpp new file mode 100644 index 0000000..abd6607 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/iterator/iterator_facade.hpp @@ -0,0 +1,57 @@ +/*============================================================================= + 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_ITERATOR_FACADE_09252006_1011) +#define FUSION_ITERATOR_FACADE_09252006_1011 + +#include <boost/fusion/support/iterator_base.hpp> +#include <boost/fusion/iterator/detail/advance.hpp> +#include <boost/fusion/iterator/detail/distance.hpp> +#include <boost/fusion/support/category_of.hpp> +#include <boost/type_traits/is_same.hpp> +#include <boost/mpl/assert.hpp> + +namespace boost { namespace fusion +{ + struct iterator_facade_tag; + + template <typename Derived, typename Category> + struct iterator_facade : iterator_base<Derived> + { + typedef iterator_facade_tag fusion_tag; + typedef Derived derived_type; + typedef Category category; + + // default implementation + template <typename I1, typename I2> + struct equal_to // default implementation + : is_same< + typename I1::derived_type + , typename I2::derived_type + > + {}; + + // default implementation + template <typename Iterator, typename N> + struct advance : + mpl::if_c< + (N::value > 0) + , advance_detail::forward<Iterator, N::value> + , advance_detail::backward<Iterator, N::value> + >::type + { + BOOST_MPL_ASSERT_NOT((traits::is_random_access<Iterator>)); + }; + + // default implementation + template <typename First, typename Last> + struct distance : + distance_detail::linear_distance<First, Last> + {}; + }; +}} + +#endif |