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sprout/tuple/sscrisk/cel/utility.hpp 追加

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bolero-MURAKAMI 2011-10-31 20:10:07 +09:00
parent a7b415f2b1
commit 871f9179c4
6 changed files with 121 additions and 10 deletions
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2
sprout/tuple/sscrisk/cel/array.hpp
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@ -27,6 +27,8 @@ namespace sprout {
return std::move(sprout::tuples::get<I>(t));
}
} // namespace tuples
using sprout::tuples::get;
} // namespace sprout
#endif // #ifndef SPROUT_TUPLE_SSCRISK_CEL_ARRAY_HPP

98
sprout/tuple/sscrisk/cel/utility.hpp Normal file
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@ -0,0 +1,98 @@
#ifndef SPROUT_TUPLE_SSCRISK_CEL_UTILITY_HPP
#define SPROUT_TUPLE_SSCRISK_CEL_UTILITY_HPP
#include <cstddef>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/tuple/tuple.hpp>
#include <sscrisk/cel/utility.hpp>
namespace sprout {
namespace tuples {
//
// tuple_size
//
template<typename T1, typename T2>
struct tuple_size<sscrisk::cel::pair<T1, T2> >
: public std::integral_constant<std::size_t, 2>
{};
//
// tuple_element
//
namespace detail {
template<std::size_t I, typename T>
struct tuple_element_impl;
template<typename T1, typename T2>
struct tuple_element_impl<0, sscrisk::cel::pair<T1, T2> > {
public:
typedef T1 type;
};
template<typename T1, typename T2>
struct tuple_element_impl<1, sscrisk::cel::pair<T1, T2> > {
public:
typedef T2 type;
};
} // namespace detail
template<std::size_t I, typename T1, typename T2>
struct tuple_element<I, sscrisk::cel::pair<T1, T2> >
: public sprout::tuples::detail::tuple_element_impl<I, sscrisk::cel::pair<T1, T2> >
{};
//
// get
//
namespace detail {
template<std::size_t I, typename T>
struct get_impl;
template<typename T1, typename T2>
struct get_impl<0, sscrisk::cel::pair<T1, T2> > {
public:
T1& operator()(sscrisk::cel::pair<T1, T2>& t) const {
return t.first;
}
T1 const& operator()(sscrisk::cel::pair<T1, T2> const& t) const {
return t.first;
}
};
template<typename T1, typename T2>
struct get_impl<1, sscrisk::cel::pair<T1, T2> > {
public:
public:
T2& operator()(sscrisk::cel::pair<T1, T2>& t) const {
return t.second;
}
T2 const& operator()(sscrisk::cel::pair<T1, T2> const& t) const {
return t.second;
}
};
} // namespace detail
template<std::size_t I, typename T1, typename T2>
typename sprout::tuples::tuple_element<I, sscrisk::cel::pair<T1, T2> >::type& get(
sscrisk::cel::pair<T1, T2>& t
) SPROUT_NOEXCEPT
{
static_assert(I < 2, "get: index out of range");
return sprout::tuples::detail::get_impl<I, sscrisk::cel::pair<T1, T2> >()(t);
}
template<std::size_t I, typename T1, typename T2>
SPROUT_CONSTEXPR typename sprout::tuples::tuple_element<I, sscrisk::cel::pair<T1, T2> >::type const& get(
sscrisk::cel::pair<T1, T2> const& t
) SPROUT_NOEXCEPT
{
static_assert(I < 2, "get: index out of range");
return sprout::tuples::detail::get_impl<I, sscrisk::cel::pair<T1, T2> >()(t);
}
template<std::size_t I, typename T1, typename T2>
typename sprout::tuples::tuple_element<I, sscrisk::cel::pair<T1, T2> >::type&& get(
sscrisk::cel::pair<T1, T2>&& t
) SPROUT_NOEXCEPT
{
return std::move(sprout::tuples::get<I>(t));
}
} // namespace tuples
using sprout::tuples::get;
} // namespace sprout
#endif // #ifndef SPROUT_TUPLE_SSCRISK_CEL_UTILITY_HPP