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Diffstat (limited to '3rdParty/Boost/src/boost/fusion/sequence/intrinsic/ext_/size_s.hpp')
-rw-r--r-- | 3rdParty/Boost/src/boost/fusion/sequence/intrinsic/ext_/size_s.hpp | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/ext_/size_s.hpp b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/ext_/size_s.hpp new file mode 100644 index 0000000..8b61746 --- /dev/null +++ b/3rdParty/Boost/src/boost/fusion/sequence/intrinsic/ext_/size_s.hpp @@ -0,0 +1,57 @@ +/*============================================================================= + Copyright (c) 2006 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(FUSION_SIZE_S_08112006_1141) +#define FUSION_SIZE_S_08112006_1141 + +#include <boost/mpl/plus.hpp> +#include <boost/mpl/size_t.hpp> +#include <boost/type_traits/remove_reference.hpp> +#include <boost/fusion/algorithm/iteration/fold.hpp> +#include <boost/fusion/support/ext_/is_segmented.hpp> +#include <boost/fusion/sequence/intrinsic/ext_/segments.hpp> + +namespace boost { namespace fusion +{ + /////////////////////////////////////////////////////////////////////////// + // calculates the size of any segmented data structure. + template<typename Sequence, bool IsSegmented = traits::is_segmented<Sequence>::value> + struct segmented_size; + + namespace detail + { + struct size_plus + { + template<typename Sig> + struct result; + + template<typename This, typename State, typename Seq> + struct result<This(State, Seq)> + : mpl::plus< + segmented_size<typename remove_reference<Seq>::type> + , typename remove_reference<State>::type + > + {}; + }; + } + + /////////////////////////////////////////////////////////////////////////// + template<typename Sequence, bool IsSegmented> + struct segmented_size + : result_of::fold< + typename result_of::segments<Sequence>::type + , mpl::size_t<0> + , detail::size_plus + >::type + {}; + + template<typename Sequence> + struct segmented_size<Sequence, false> + : result_of::size<Sequence> + {}; +}} + +#endif |