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std::ranges::chunk_view<V>::outer-iterator::value_type

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Ranges library
Range access
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(C++23)

Range primitives



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(until C++23)(C++23)


 
std::ranges::chunk_view
Member functions
Classes for input_ranges
Deduction guides
outer-iterator
outer-iterator::value_type
inner-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.

Contents

[edit] Data members

Member object Definition
parent_ (private) A pointer to the "parent object" of type ranges::chunk_view*
(exposition-only member object*)

[edit] Member functions

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>) [edit]
(C++23)
returns a constant iterator to the beginning of the range.
(public member function of std::ranges::view_interface<D>) [edit]
(C++23)
returns a sentinel for the constant iterator of the range.
(public member function of std::ranges::view_interface<D>) [edit]
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>) [edit]

std::ranges::chunk_view::outer-iterator::value_type::value_type

private:

// exposition only

constexpr explicit value_type( chunk_view& parent );
(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_));

[edit] Example

[edit] References

  • C++23 standard (ISO/IEC 14882:2023):
  • 26.7.28.4 Class chunk_view::outer-iterator::value_type [range.chunk.outer.value]

[edit] See also

the output ("chunk-wise") iterator type when V models input_range
(exposition-only member class of std::ranges::chunk_view<V>*)
the inner ("element-wise") iterator type when V models input_range
(exposition-only member class of std::ranges::chunk_view<V>*)