mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
114 lines
4.6 KiB
C++
114 lines
4.6 KiB
C++
/*=============================================================================
|
|
Copyright (c) 2011-2016 Bolero MURAKAMI
|
|
https://github.com/bolero-MURAKAMI/Sprout
|
|
|
|
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 SPROUT_CONTAINER_STD_ARRAY_HPP
|
|
#define SPROUT_CONTAINER_STD_ARRAY_HPP
|
|
|
|
#include <array>
|
|
#include <utility>
|
|
#include <type_traits>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/workaround/std/cstddef.hpp>
|
|
#include <sprout/container/traits.hpp>
|
|
#include <sprout/iterator/index_iterator.hpp>
|
|
#include <sprout/utility/forward.hpp>
|
|
#include <sprout/utility/as_const.hpp>
|
|
#include <sprout/memory/addressof.hpp>
|
|
#include <sprout/functional/transparent.hpp>
|
|
|
|
namespace sprout {
|
|
namespace detail {
|
|
template<typename T = void>
|
|
struct const_subscript;
|
|
template<>
|
|
struct const_subscript<void>
|
|
: public sprout::transparent<>
|
|
{
|
|
public:
|
|
template<typename T, typename U>
|
|
SPROUT_CONSTEXPR decltype(std::declval<T>()[std::declval<U>()])
|
|
operator()(T&& x, U&& y)
|
|
const SPROUT_NOEXCEPT_IF_EXPR(std::declval<T>()[std::declval<U>()])
|
|
{
|
|
typedef decltype(std::declval<T>()[std::declval<U>()]) type;
|
|
return const_cast<type>(sprout::as_const(x)[SPROUT_FORWARD(U, y)]);
|
|
}
|
|
};
|
|
} // namespace detail
|
|
|
|
//
|
|
// container_traits
|
|
//
|
|
template<typename T, std::size_t N>
|
|
struct container_traits<std::array<T, N> >
|
|
: public sprout::detail::container_traits_default<std::array<T, N> >
|
|
{
|
|
public:
|
|
typedef sprout::index_iterator<std::array<T, N>&, true, sprout::detail::const_subscript<> > iterator;
|
|
typedef sprout::index_iterator<std::array<T, N> const&, true, sprout::detail::const_subscript<> > const_iterator;
|
|
};
|
|
|
|
//
|
|
// container_range_traits
|
|
//
|
|
template<typename T, std::size_t N>
|
|
struct container_range_traits<std::array<T, N> >
|
|
: public sprout::detail::container_range_traits_default<std::array<T, N> >
|
|
{
|
|
private:
|
|
typedef sprout::detail::container_range_traits_default<std::array<T, N> > base_type;
|
|
public:
|
|
using base_type::range_front;
|
|
using base_type::range_back;
|
|
using base_type::range_at;
|
|
public:
|
|
// iterators:
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> >::iterator
|
|
range_begin(std::array<T, N>& cont) {
|
|
return typename sprout::container_traits<std::array<T, N> >::iterator(cont, 0);
|
|
}
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> const>::iterator
|
|
range_begin(std::array<T, N> const& cont) {
|
|
return typename sprout::container_traits<std::array<T, N> const>::iterator(cont, 0);
|
|
}
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> >::iterator
|
|
range_end(std::array<T, N>& cont) {
|
|
return typename sprout::container_traits<std::array<T, N> >::iterator(cont, cont.size());
|
|
}
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> const>::iterator
|
|
range_end(std::array<T, N> const& cont) {
|
|
return typename sprout::container_traits<std::array<T, N> const>::iterator(cont, cont.size());
|
|
}
|
|
// element access:
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> >::reference
|
|
range_front(std::array<T, N>& cont) {
|
|
typedef typename sprout::container_traits<std::array<T, N> >::reference type;
|
|
return const_cast<type>(base_type::range_front(sprout::as_const(cont)));
|
|
}
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> >::reference
|
|
range_back(std::array<T, N>& cont) {
|
|
typedef typename sprout::container_traits<std::array<T, N> >::reference type;
|
|
return const_cast<type>(base_type::range_back(sprout::as_const(cont)));
|
|
}
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> >::reference
|
|
range_at(std::array<T, N>& cont, typename sprout::container_traits<std::array<T, N> >::size_type i) {
|
|
typedef typename sprout::container_traits<std::array<T, N> >::reference type;
|
|
return const_cast<type>(base_type::range_at(sprout::as_const(cont), i));
|
|
}
|
|
// data access:
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> >::pointer
|
|
range_data(std::array<T, N>& cont) {
|
|
return sprout::addressof(range_front(cont));
|
|
}
|
|
static SPROUT_CONSTEXPR typename sprout::container_traits<std::array<T, N> const>::pointer
|
|
range_data(std::array<T, N> const& cont) {
|
|
return sprout::addressof(range_front(cont));
|
|
}
|
|
};
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_CONTAINER_STD_ARRAY_HPP
|