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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_size.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_size.hpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_size.hpp b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_size.hpp new file mode 100644 index 0000000..03cef28 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/detail/segmented_size.hpp @@ -0,0 +1,54 @@ +/*============================================================================= + Copyright (c) 2011 Eric Niebler + + 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(BOOST_FUSION_SEGMENTED_SIZE_08112006_1141) +#define BOOST_FUSION_SEGMENTED_SIZE_08112006_1141 + +#include <boost/type_traits/add_const.hpp> +#include <boost/type_traits/remove_reference.hpp> +#include <boost/mpl/fold.hpp> +#include <boost/mpl/plus.hpp> +#include <boost/mpl/size_t.hpp> +#include <boost/mpl/placeholders.hpp> +#include <boost/fusion/sequence/intrinsic_fwd.hpp> +#include <boost/fusion/mpl/begin.hpp> +#include <boost/fusion/mpl/end.hpp> +#include <boost/fusion/support/is_segmented.hpp> + +namespace boost { namespace fusion { namespace detail +{ + /////////////////////////////////////////////////////////////////////////// + // calculates the size of any segmented data structure. + template<typename Sequence> + struct segmented_size; + + /////////////////////////////////////////////////////////////////////////// + template<typename Sequence, bool IsSegmented = traits::is_segmented<Sequence>::value> + struct segmented_size_impl + : mpl::fold< + typename remove_reference< + typename add_const< + typename result_of::segments<Sequence>::type + >::type + >::type + , mpl::size_t<0> + , mpl::plus<mpl::_1, segmented_size<remove_reference<mpl::_2> > > + >::type + {}; + + template<typename Sequence> + struct segmented_size_impl<Sequence, false> + : result_of::size<Sequence>::type + {}; + + template<typename Sequence> + struct segmented_size + : segmented_size_impl<Sequence> + {}; + +}}} + +#endif |