std::ranges::lazy_split_view<V, Pattern>::outer_iterator<Const>::value_type
< cpp | ranges | lazy split view
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struct value_type : ranges::view_interface<value_type>
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(since C++20) | |
The value type of the iterator ranges::lazy_split_view<V, Pattern>::/*outer_iterator*/<Const>.
Data members
Typical implementations of value_type hold only one non-static data member:
i_(exposition only*) - An iterator of typeouter_iteratorinto underlyingviewof the outer class.
Member functions
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(constructor)
(C++20)
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constructs a value_type object(public member function) |
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begin
(C++20)
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returns an inner_iterator to the beginning of the inner range(public member function) |
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end
(C++20)
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returns a std::default_sentinel (public member function) |
Inherited from std::ranges::view_interface |
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(C++20)
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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>) |
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(C++23)
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returns a constant iterator to the beginning of the range. (public member function of std::ranges::view_interface<D>) |
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(C++23)
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returns a sentinel for the constant iterator of the range. (public member function of std::ranges::view_interface<D>) |
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(C++20)
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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>) |
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(C++20)
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returns the first element in the derived view. Provided if it satisfies forward_range.(public member function of std::ranges::view_interface<D>) |
Member functions
std::ranges::lazy_split_view::outer_iterator::value_type::value_type
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value_type() = default;
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(1) | (since C++20) |
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constexpr explicit value_type(/*outer_iterator*/ i);
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(2) | (since C++20) |
1) Value initializes the
i_ via its default member initializer (= /*outer_iterator*/()).2) Initializes
i_ with std::move(i).std::ranges::lazy_split_view::outer_iterator::value_type::begin
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constexpr /*inner_iterator*/<Const> begin() const;
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(since C++20) | |
Equivalent to return /*inner_iterator*/<Const>{i_};.
std::ranges::lazy_split_view::outer_iterator::value_type::end
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constexpr std::default_sentinel_t end() const noexcept;
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(since C++20) | |
Returns std::default_sentinel.
Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
| DR | Applied to | Behavior as published | Correct behavior |
|---|---|---|---|
| LWG 3593 | C++20 | end always returns std::default_sentinel but might not be noexcept |
made noexcept |