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reimplementation tuple class

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bolero-MURAKAMI 2014-09-20 12:55:29 +09:00
parent 0c15b01b0d
commit 3b0ab6f5fd
11 changed files with 438 additions and 371 deletions
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52
sprout/tpp/algorithm/all_of.hpp
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@ -10,47 +10,43 @@
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/workaround/std/cstddef.hpp>
#include <sprout/type_traits/integral_constant.hpp>
#include <sprout/type/type_tuple.hpp>
namespace sprout {
namespace tpp {
namespace detail {
template<bool... Values>
struct all_of_impl;
template<>
struct all_of_impl<>
: public sprout::true_type
template<typename Tup, std::size_t First, std::size_t Last, bool = (Last - First == 1)>
struct all_of_impl
: public std::tuple_element<First, Tup>::type
{};
template<>
struct all_of_impl<true>
: public sprout::true_type
{};
template<>
struct all_of_impl<false>
: public sprout::false_type
{};
template<bool... Tail>
struct all_of_impl<true, Tail...>
: public sprout::integral_constant<bool, sprout::tpp::detail::all_of_impl<Tail...>::value>
{};
template<bool... Tail>
struct all_of_impl<false, Tail...>
: public sprout::false_type
template<typename Tup, std::size_t First, std::size_t Last>
struct all_of_impl<Tup, First, Last, false>
: public sprout::integral_constant<
bool,
sprout::tpp::detail::all_of_impl<Tup, First, (First + Last) / 2>::value
&& sprout::tpp::detail::all_of_impl<Tup, (First + Last) / 2, Last>::value
>
{};
} // namespace detail
//
// all_of_c
//
template<bool... Values>
struct all_of_c
: public sprout::tpp::detail::all_of_impl<Values...>
{};
//
// all_of
//
template<typename... Types>
struct all_of
: public sprout::tpp::all_of_c<Types::value...>
: public sprout::tpp::detail::all_of_impl<sprout::types::type_tuple<Types...>, 0, sizeof...(Types)>
{};
template<>
struct all_of<>
: public sprout::true_type
{};
//
// all_of_c
//
template<bool... Values>
struct all_of_c
: public sprout::tpp::all_of<sprout::integral_constant<bool, Values>...>
{};
} // namespace tpp
} // namespace sprout