std::ranges::chunk_view<V>::outer-iterator::value_type
< cpp | ranges | chunk view | outer iterator
|
Defined in header
<ranges> |
||
|
struct value_type : view_interface<value_type>
|
(since C++23) | |
A value type of the iterator chunk_view::outer-iterator, formed when V models input_range.
Data members
Typical implementations of value_type hold only one non-static data member:
- a pointer, denoted here as
parent_(the name is for exposition only), of type ranges::chunk_view* to the "parent object".
Member functions
|
(C++23)
|
constructs an value_type(public member function) |
|
(C++23)
|
returns the beginning chunk_view::inner-iterator (public member function) |
|
(C++23)
|
returns the default sentinel (public member function) |
|
(C++23)
|
returns the size of the view (public member function) |
Inherited from std::ranges::view_interface |
|
|
(C++20)
|
returns whether the derived view is empty. Provided if it satisfies sized_range or forward_range.(public member function of std::ranges::view_interface<D>) |
|
(C++23)
|
returns a constant iterator to the beginning of the range. (public member function of std::ranges::view_interface<D>) |
|
(C++23)
|
returns a sentinel for the constant iterator of the range. (public member function of std::ranges::view_interface<D>) |
|
(C++20)
|
returns whether the derived view is not empty. Provided if ranges::empty is applicable to it. (public member function of std::ranges::view_interface<D>) |
std::ranges::chunk_view::outer-iterator::value_type::value_type
|
private:
// exposition only |
(since C++23) | |
Constructs the value_type object so that parent_ is initialized with std::addressof(parent).
Parameters
| parent | - | the chunk_view object |
std::ranges::chunk_view::outer-iterator::value_type::begin
|
constexpr /*inner-iterator*/ begin() const noexcept;
|
(since C++23) | |
Equivalent to return /*inner-iterator*/(*parent_);.
std::ranges::chunk_view::outer-iterator::value_type::end
|
constexpr std::default_sentinel_t end() const noexcept;
|
(since C++23) | |
Equivalent to return std::default_sentinel;.
std::ranges::chunk_view::outer-iterator::value_type::size
|
constexpr auto size() const
requires std::sized_sentinel_for<ranges::sentinel_t<V>, ranges::iterator_t<V>>; |
(since C++23) | |
Returns the size of the view.
Equivalent to
return /*to-unsigned-like*/(
ranges::min(parent_->remainder_, ranges::end(parent_->base_) - *parent_->current_));
Example
| This section is incomplete Reason: example |
References
- C++23 standard (ISO/IEC 14882:2023):
-
- 26.7.28.4 Class chunk_view::outer-iterator::value_type [range.chunk.outer.value]
See also
|
(C++23)
|
the output ("chunk-wise") iterator type when V models input_range(exposition-only member class of std::ranges::chunk_view<V>*) |
|
(C++23)
|
the inner ("element-wise") iterator type when V models input_range(exposition-only member class of std::ranges::chunk_view<V>*) |