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- /*=============================================================================
- Copyright (c) 2012 Paul Fultz II
- seq.h
- 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)
- ==============================================================================*/
- #ifndef BOOST_HOF_GUARD_FUNCTION_DETAIL_SEQ_H
- #define BOOST_HOF_GUARD_FUNCTION_DETAIL_SEQ_H
- #include <cstdlib>
- namespace boost { namespace hof {
- namespace detail {
- template<std::size_t ...>
- struct seq
- {
- typedef seq type;
- };
- template <class, class>
- struct merge_seq;
- template <size_t... Xs, size_t... Ys>
- struct merge_seq<seq<Xs...>, seq<Ys...>>
- : seq<Xs..., (sizeof...(Xs)+Ys)...>
- {};
- template<std::size_t N>
- struct gens
- : merge_seq<
- typename gens<N/2>::type,
- typename gens<N - N/2>::type
- >
- {};
- template<> struct gens<0> : seq<> {};
- template<> struct gens<1> : seq<0> {};
- }
- }} // namespace boost::hof
- #endif
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