Sprout/sprout/sub_array.hpp
bolero-MURAKAMI c6bd230ee4 fix inline
add container/indexes.hpp
add tuple/indexes.hpp
2012-04-04 22:23:41 +09:00

887 lines
31 KiB
C++

#ifndef SPROUT_SUB_ARRAY_HPP
#define SPROUT_SUB_ARRAY_HPP
#include <algorithm>
#include <utility>
#include <stdexcept>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/index_tuple.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/utility/forward.hpp>
#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT
namespace sprout {
namespace detail {
struct is_non_reference_array_tag {};
struct is_not_non_reference_array_tag {};
template<typename Container>
class sub_array_impl {
protected:
typedef Container container_type;
typedef typename std::remove_reference<container_type>::type internal_type;
protected:
SPROUT_STATIC_CONSTEXPR bool is_reference = std::is_reference<container_type>::value;
SPROUT_STATIC_CONSTEXPR bool is_const = std::is_const<internal_type>::value;
protected:
typedef typename sprout::container_traits<internal_type>::value_type value_type;
typedef typename std::conditional<
is_const,
typename sprout::container_traits<internal_type>::const_iterator,
typename sprout::container_traits<internal_type>::iterator
>::type iterator;
typedef typename sprout::container_traits<internal_type>::const_iterator const_iterator;
typedef typename std::conditional<
is_const,
typename sprout::container_traits<internal_type>::const_reference,
typename sprout::container_traits<internal_type>::reference
>::type reference;
typedef typename sprout::container_traits<internal_type>::const_reference const_reference;
typedef typename sprout::container_traits<internal_type>::size_type size_type;
typedef typename sprout::container_traits<internal_type>::difference_type difference_type;
typedef typename std::conditional<
is_const,
typename sprout::container_traits<internal_type>::const_pointer,
typename sprout::container_traits<internal_type>::pointer
>::type pointer;
typedef typename sprout::container_traits<internal_type>::const_pointer const_pointer;
protected:
SPROUT_STATIC_CONSTEXPR size_type static_size = sprout::container_traits<internal_type>::static_size;
protected:
typedef typename std::conditional<
is_reference,
internal_type*,
typename std::remove_const<internal_type>::type
>::type holder_type;
typedef typename std::conditional<
is_reference,
internal_type&,
internal_type const&
>::type param_type;
typedef internal_type const& const_param_type;
protected:
typedef typename std::conditional<
std::is_array<holder_type>::value,
sprout::detail::is_non_reference_array_tag,
sprout::detail::is_not_non_reference_array_tag
>::type array_tag;
protected:
template<typename Arr>
static SPROUT_CONSTEXPR typename std::enable_if<
std::is_reference<Arr>::value,
holder_type
>::type to_holder(param_type arr) {
return &arr;
}
template<typename Arr>
static SPROUT_CONSTEXPR typename std::enable_if<
!std::is_reference<Arr>::value,
holder_type const&
>::type to_holder(param_type arr) {
return arr;
}
template<typename Arr>
static SPROUT_CONSTEXPR typename std::enable_if<
std::is_reference<Arr>::value,
param_type
>::type to_param(holder_type arr) {
return *arr;
}
template<typename Arr>
static SPROUT_CONSTEXPR typename std::enable_if<
!std::is_reference<Arr>::value,
param_type
>::type to_param(holder_type& arr) {
return arr;
}
template<typename Arr>
static SPROUT_CONSTEXPR typename std::enable_if<
!std::is_reference<Arr>::value,
param_type
>::type to_param(holder_type const& arr) {
return arr;
}
template<typename Arr>
static SPROUT_CONSTEXPR typename std::enable_if<
std::is_reference<Arr>::value,
const_param_type
>::type to_const_param(holder_type arr) {
return *arr;
}
template<typename Arr>
static SPROUT_CONSTEXPR typename std::enable_if<
!std::is_reference<Arr>::value,
const_param_type
>::type to_const_param(holder_type const& arr) {
return arr;
}
protected:
holder_type array_;
difference_type first_;
difference_type last_;
public:
sub_array_impl() = default;
protected:
template<typename ContainerTag, sprout::index_t... Indexes>
SPROUT_CONSTEXPR sub_array_impl(
ContainerTag,
param_type arr,
sprout::index_tuple<Indexes...>,
const_iterator first,
const_iterator last,
typename std::enable_if<std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
)
: array_{to_holder<Container>(arr)[Indexes]...}
, first_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), first))
, last_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), last))
{}
template<typename ContainerTag, sprout::index_t... Indexes>
SPROUT_CONSTEXPR sub_array_impl(
ContainerTag,
param_type arr,
sprout::index_tuple<Indexes...>,
const_iterator first,
const_iterator last,
typename std::enable_if<!std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
)
: array_(to_holder<Container>(arr))
, first_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), first))
, last_(NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::cbegin(arr), last))
{}
template<typename ContainerTag, sprout::index_t... Indexes>
SPROUT_CONSTEXPR sub_array_impl(
ContainerTag,
param_type arr,
sprout::index_tuple<Indexes...>,
difference_type first,
difference_type last,
typename std::enable_if<std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
)
: array_{to_holder<Container>(arr)[Indexes]...}
, first_(first)
, last_(last)
{}
template<typename ContainerTag, sprout::index_t... Indexes>
SPROUT_CONSTEXPR sub_array_impl(
ContainerTag,
param_type arr,
sprout::index_tuple<Indexes...>,
difference_type first,
difference_type last,
typename std::enable_if<!std::is_same<ContainerTag, sprout::detail::is_non_reference_array_tag>::value>::type* = 0
)
: array_(to_holder<Container>(arr))
, first_(first)
, last_(last)
{}
};
} // namespace detail
//
// sub_array
//
template<typename Container>
class sub_array
: private sprout::detail::sub_array_impl<Container>
{
private:
typedef sprout::detail::sub_array_impl<Container> impl_type;
public:
typedef typename impl_type::container_type container_type;
typedef typename impl_type::internal_type internal_type;
public:
SPROUT_STATIC_CONSTEXPR bool is_reference = impl_type::is_reference;
SPROUT_STATIC_CONSTEXPR bool is_const = impl_type::is_const;
public:
typedef typename impl_type::value_type value_type;
typedef typename impl_type::iterator iterator;
typedef typename impl_type::const_iterator const_iterator;
typedef typename impl_type::reference reference;
typedef typename impl_type::const_reference const_reference;
typedef typename impl_type::size_type size_type;
typedef typename impl_type::difference_type difference_type;
typedef typename impl_type::pointer pointer;
typedef typename impl_type::const_pointer const_pointer;
public:
SPROUT_STATIC_CONSTEXPR size_type static_size = impl_type::static_size;
public:
typedef typename impl_type::holder_type holder_type;
typedef typename impl_type::param_type param_type;
typedef typename impl_type::const_param_type const_param_type;
private:
typedef typename impl_type::array_tag array_tag;
private:
using impl_type::array_;
using impl_type::first_;
using impl_type::last_;
public:
// construct/copy/destroy:
sub_array() = default;
SPROUT_CONSTEXPR sub_array(param_type arr, const_iterator first, const_iterator last)
: impl_type(
array_tag(),
arr,
typename sprout::index_range<0, static_size>::type(),
first,
last
)
{}
SPROUT_CONSTEXPR sub_array(param_type arr, difference_type first, difference_type last)
: impl_type(
array_tag(),
arr,
typename sprout::index_range<0, static_size>::type(),
first,
last
)
{}
SPROUT_CONSTEXPR sub_array(sub_array<Container> const& other, const_iterator first, const_iterator last)
: impl_type(
array_tag(),
impl_type::template to_param<Container>(other.array_),
typename sprout::index_range<0, static_size>::type(),
NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::begin(other.get_array()), first),
NS_SSCRISK_CEL_OR_SPROUT::distance(sprout::begin(other.get_array()), last)
)
{}
SPROUT_CONSTEXPR sub_array(sub_array<Container> const& other, difference_type first, difference_type last)
: impl_type(
array_tag(),
impl_type::template to_param<Container>(other.array_),
typename sprout::index_range<0, static_size>::type(),
first + other.first_,
last + other.first_
)
{}
void fill(const_reference value) {
std::fill_n(begin(), size(), value);
}
template<typename Container2>
void swap(sub_array<Container2>& other) {
using std::swap;
swap(other.array_, array_);
swap(other.first_, first_);
swap(other.last_, last_);
}
// iterators:
iterator begin() {
return sprout::next(sprout::begin(get_array()), first_);
}
SPROUT_CONSTEXPR const_iterator begin() const {
return sprout::next(sprout::begin(get_array()), first_);
}
iterator end() {
return sprout::next(sprout::begin(get_array()), last_);
}
SPROUT_CONSTEXPR const_iterator end() const {
return sprout::next(sprout::begin(get_array()), last_);
}
SPROUT_CONSTEXPR const_iterator cbegin() const {
return sprout::next(sprout::begin(get_array()), first_);
}
SPROUT_CONSTEXPR const_iterator cend() const {
return sprout::next(sprout::begin(get_array()), last_);
}
// capacity:
SPROUT_CONSTEXPR size_type size() const {
return last_ - first_;
}
SPROUT_CONSTEXPR size_type max_size() const {
return size();
}
SPROUT_CONSTEXPR bool empty() const {
return first_ == last_;
}
// element access:
reference operator[](size_type i) {
return *sprout::next(sprout::begin(get_array()), first_ + i);
}
SPROUT_CONSTEXPR const_reference operator[](size_type i) const {
return *sprout::next(sprout::begin(get_array()), first_ + i);
}
reference at(size_type i) {
return i < size()
? *sprout::next(sprout::begin(get_array()), first_ + i)
: (throw std::out_of_range("sub_array<>: index out of range"), *sprout::next(sprout::begin(get_array()), first_ + i))
;
}
SPROUT_CONSTEXPR const_reference at(size_type i) const {
return i < size()
? *sprout::next(sprout::begin(get_array()), first_ + i)
: (throw std::out_of_range("sub_array<>: index out of range"), *sprout::next(sprout::begin(get_array()), first_ + i))
;
}
reference front() {
return *sprout::next(sprout::begin(get_array()), first_);
}
SPROUT_CONSTEXPR const_reference front() const {
return *sprout::next(sprout::begin(get_array()), first_);
}
reference back() {
return *sprout::next(sprout::begin(get_array()), last_ - 1);
}
SPROUT_CONSTEXPR const_reference back() const {
return *sprout::next(sprout::begin(get_array()), last_ - 1);
}
pointer data() {
return get_array().data() + first_;
}
SPROUT_CONSTEXPR const_pointer data() const {
return get_array().data() + first_;
}
// others:
template<typename Container2>
sub_array<Container>& operator=(sub_array<Container2> const& rhs) {
array_ = rhs.array_;
first_ = rhs.first_;
last_ = rhs.last_;
return *this;
}
template<typename Container2>
sub_array<Container>& operator=(sub_array<Container2>&& rhs) {
array_ = std::move(rhs.array_);
first_ = std::move(rhs.first_);
last_ = std::move(rhs.last_);
return *this;
}
pointer c_array() {
return data();
}
void assign(const_reference value) {
fill(value);
}
void rangecheck(size_type i) const {
if (i >= size()) {
throw std::out_of_range("sub_array<>: index out of range");
}
}
param_type get_internal() {
return impl_type::template to_param<Container>(array_);
}
SPROUT_CONSTEXPR const_param_type get_internal() const {
return impl_type::template to_const_param<Container>(array_);
}
param_type get_array() {
return impl_type::template to_param<Container>(array_);
}
SPROUT_CONSTEXPR const_param_type get_array() const {
return impl_type::template to_const_param<Container>(array_);
}
};
template<typename Container>
SPROUT_CONSTEXPR typename sprout::sub_array<Container>::size_type sprout::sub_array<Container>::static_size;
//
// operator==
// operator!=
// operator<
// operator>
// operator<=
// operator>=
//
template<typename Container>
inline SPROUT_CONSTEXPR bool operator==(sprout::sub_array<Container> const& lhs, sprout::sub_array<Container> const& rhs) {
return NS_SSCRISK_CEL_OR_SPROUT::equal(sprout::begin(lhs), sprout::end(lhs), sprout::begin(rhs));
}
template<typename Container>
inline SPROUT_CONSTEXPR bool operator!=(sprout::sub_array<Container> const& lhs, sprout::sub_array<Container> const& rhs) {
return !(lhs == rhs);
}
template<typename Container>
inline SPROUT_CONSTEXPR bool operator<(sprout::sub_array<Container> const& lhs, sprout::sub_array<Container> const& rhs) {
return NS_SSCRISK_CEL_OR_SPROUT::lexicographical_compare(sprout::begin(lhs), sprout::end(lhs), sprout::begin(rhs), sprout::end(rhs));
}
template<typename Container>
inline SPROUT_CONSTEXPR bool operator>(sprout::sub_array<Container> const& lhs, sprout::sub_array<Container> const& rhs) {
return rhs < lhs;
}
template<typename Container>
inline SPROUT_CONSTEXPR bool operator<=(sprout::sub_array<Container> const& lhs, sprout::sub_array<Container> const& rhs) {
return !(rhs < lhs);
}
template<typename Container>
inline SPROUT_CONSTEXPR bool operator>=(sprout::sub_array<Container> const& lhs, sprout::sub_array<Container> const& rhs) {
return !(lhs < rhs);
}
//
// swap
//
template<typename Container>
inline void swap(sprout::sub_array<Container>& lhs, sprout::sub_array<Container>& rhs) {
lhs.swap(rhs);
}
//
// container_construct_traits
//
template<typename Container>
struct container_construct_traits<sprout::sub_array<Container> > {
private:
typedef typename sprout::sub_array<Container>::internal_type internal_type;
typedef typename sprout::container_construct_traits<internal_type>::copied_type internal_copied_type;
public:
typedef sprout::sub_array<internal_copied_type> copied_type;
private:
static SPROUT_CONSTEXPR copied_type make_impl(internal_copied_type const& internal_copied) {
return copied_type(internal_copied, sprout::begin(internal_copied), sprout::end(internal_copied));
}
template<typename Cont>
static SPROUT_CONSTEXPR copied_type remake_impl(
Cont&& cont,
typename sprout::container_traits<sprout::sub_array<Container> >::difference_type size,
internal_copied_type const& internal_copied
)
{
return copied_type(
internal_copied,
sprout::next(sprout::begin(internal_copied), sprout::internal_begin_offset(cont)),
sprout::next(sprout::begin(internal_copied), sprout::internal_begin_offset(cont) + size)
);
}
public:
template<typename Cont>
static SPROUT_CONSTEXPR copied_type deep_copy(Cont&& cont) {
return copied_type(
sprout::deep_copy(sprout::get_internal(cont)),
sprout::internal_begin_offset(cont),
sprout::internal_end_offset(cont)
);
}
template<typename... Args>
static SPROUT_CONSTEXPR copied_type make(Args&&... args) {
return make_impl(
sprout::make<internal_type>(sprout::forward<Args>(args)...)
);
}
template<typename Cont, typename... Args>
static SPROUT_CONSTEXPR copied_type remake(
Cont&& cont,
typename sprout::container_traits<sprout::sub_array<Container> >::difference_type size,
Args&&... args
)
{
return remake_impl(
sprout::forward<Cont>(cont),
size,
sprout::make<internal_type>(sprout::forward<Args>(args)...)
);
}
};
//
// container_transform_traits
//
template<typename Container>
struct container_transform_traits<sprout::sub_array<Container> > {
public:
template<typename sprout::container_traits<sprout::sub_array<Container> >::size_type Size>
struct rebind_size {
public:
typedef sprout::sub_array<
typename sprout::container_transform_traits<
typename std::remove_reference<Container>::type
>::template rebind_size<Size>::type
> type;
};
};
//
// sub_container_traits
//
template<typename Container>
struct sub_container_traits<sprout::sub_array<Container> > {
private:
static typename sprout::sub_array<Container>::param_type
call(sprout::sub_array<Container>& cont) {
return cont.get_internal();
}
static SPROUT_CONSTEXPR typename sprout::sub_array<Container>::const_param_type
call(sprout::sub_array<Container> const& cont) {
return cont.get_internal();
}
public:
template<typename Cont>
struct internal {
public:
typedef decltype(call(std::declval<Cont&&>())) type;
};
public:
template<typename Cont>
static SPROUT_CONSTEXPR typename internal<Cont>::type get_internal(Cont&& cont) {
return call(sprout::forward<Cont>(cont));
}
};
namespace detail {
template<typename T, typename Enable = void>
struct is_sub_array_impl
: public std::false_type
{};
template<typename T>
struct is_sub_array_impl<
T,
typename std::enable_if<
std::is_same<
T,
sprout::sub_array<typename T::container_type>
>::value
>::type
>
: public std::true_type
{};
} // namespace detail
//
// is_sub_array
//
template<typename T>
struct is_sub_array
: public sprout::detail::is_sub_array_impl<T>
{};
//
// sub
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container&> >::type sub(
Container& arr,
typename sprout::container_traits<sprout::sub_array<Container&> >::const_iterator first,
typename sprout::container_traits<sprout::sub_array<Container&> >::const_iterator last
)
{
return sprout::sub_array<Container&>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container&> >::type sub(
Container& arr,
typename sprout::container_traits<sprout::sub_array<Container&> >::difference_type first,
typename sprout::container_traits<sprout::sub_array<Container&> >::difference_type last
)
{
return sprout::sub_array<Container&>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container&> >::type sub(
Container& arr,
typename sprout::container_traits<sprout::sub_array<Container&> >::const_iterator first
)
{
return sprout::sub(arr, first, sprout::end(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container&> >::type sub(
Container& arr,
typename sprout::container_traits<sprout::sub_array<Container&> >::difference_type first
)
{
return sprout::sub(arr, first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container&> >::type sub(
Container& arr
)
{
return sprout::sub(arr, sprout::begin(arr), sprout::end(arr));
}
//
// sub
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type sub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::const_iterator first,
typename sprout::container_traits<sprout::sub_array<Container const&> >::const_iterator last
)
{
return sprout::sub_array<Container const&>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type sub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type first,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type last
)
{
return sprout::sub_array<Container const&>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type sub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::const_iterator first
)
{
return sprout::sub(arr, first, sprout::end(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type sub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type first
)
{
return sprout::sub(arr, first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type sub(
Container const& arr
)
{
return sprout::sub(arr, sprout::begin(arr), sprout::end(arr));
}
//
// sub
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, Container>::type sub(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first,
typename sprout::container_traits<Container>::const_iterator last
)
{
return Container(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, Container>::type sub(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first,
typename sprout::container_traits<Container>::difference_type last
)
{
return Container(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, Container>::type sub(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first
)
{
return sprout::sub(arr, first, sprout::end(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, Container>::type sub(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first
)
{
return sprout::sub(arr, first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, Container>::type sub(
Container const& arr
)
{
return sprout::sub(arr, sprout::begin(arr), sprout::end(arr));
}
//
// csub
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type csub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::const_iterator first,
typename sprout::container_traits<sprout::sub_array<Container const&> >::const_iterator last
)
{
return sprout::sub_array<Container const&>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type csub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type first,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type last
)
{
return sprout::sub_array<Container const&>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type csub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::const_iterator first
)
{
return sprout::csub(arr, first, sprout::end(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type csub(
Container const& arr,
typename sprout::container_traits<sprout::sub_array<Container const&> >::difference_type first
)
{
return sprout::csub(arr, first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container const&> >::type csub(
Container const& arr
)
{
return sprout::csub(arr, sprout::begin(arr), sprout::end(arr));
}
//
// csub
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type const&> >::type csub(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first,
typename sprout::container_traits<Container>::const_iterator last
)
{
return sprout::sub_array<typename Container::internal_type const&>(arr.get_array(), first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type const&> >::type csub(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first,
typename sprout::container_traits<Container>::difference_type last
)
{
return sprout::sub_array<typename Container::internal_type const&>(
arr.get_array(),
sprout::next(sprout::begin(arr), first),
sprout::next(sprout::begin(arr), last)
);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type const&> >::type csub(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first
)
{
return sprout::csub(arr, first, sprout::end(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type const&> >::type csub(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first
)
{
return sprout::csub(arr, first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type const&> >::type csub(
Container const& arr
)
{
return sprout::csub(arr, sprout::begin(arr), sprout::end(arr));
}
//
// sub_copy
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first,
typename sprout::container_traits<Container>::const_iterator last
)
{
return sprout::sub_array<Container>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first,
typename sprout::container_traits<Container>::difference_type last
)
{
return sprout::sub_array<Container>(arr, first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first
)
{
return sprout::sub_copy(arr, first, sprout::end(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first
)
{
return sprout::sub_copy(arr, first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<!sprout::is_sub_array<Container>::value, sprout::sub_array<Container> >::type sub_copy(
Container const& arr
)
{
return sprout::sub_copy(arr, sprout::begin(arr), sprout::end(arr));
}
//
// sub_copy
//
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first,
typename sprout::container_traits<Container>::const_iterator last
)
{
return sprout::sub_array<typename Container::internal_type>(arr.get_array(), first, last);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first,
typename sprout::container_traits<Container>::difference_type last
)
{
return sprout::sub_array<typename Container::internal_type>(
arr.get_array(),
sprout::next(sprout::begin(arr), first),
sprout::next(sprout::begin(arr), last)
);
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::const_iterator first
)
{
return sprout::sub_copy(arr, first, sprout::end(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type> >::type sub_copy(
Container const& arr,
typename sprout::container_traits<Container>::difference_type first
)
{
return sprout::sub_copy(arr, first, sprout::size(arr));
}
template<typename Container>
inline SPROUT_CONSTEXPR typename std::enable_if<sprout::is_sub_array<Container>::value, sprout::sub_array<typename Container::internal_type> >::type sub_copy(
Container const& arr
)
{
return sprout::sub_copy(arr, sprout::begin(arr), sprout::end(arr));
}
} // namespace sprout
namespace std {
//
// tuple_size
//
template<typename Container>
struct tuple_size<sprout::sub_array<Container> >
: public std::tuple_size<typename std::remove_reference<Container>::type>
{};
//
// tuple_element
//
template<std::size_t I, typename Container>
struct tuple_element<I, sprout::sub_array<Container> >
: public std::tuple_element<I, typename std::remove_reference<Container>::type>
{};
} // namespace std
#endif // #ifndef SPROUT_SUB_ARRAY_HPP