std::ranges::chunk_view<V>::end
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< cpp | ranges | chunk view
C++
Ranges library
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Range primitives | |||||||
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Range concepts | |||||||||||||||||||
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Range factories | |||||||||
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Range adaptors | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Helper items | |||||||||||||||||
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std::ranges::chunk_view
Member functions | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
chunk_view::end | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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V models only input_range |
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constexpr
std::default_sentinel_t end(
)
const
noexcept
;
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(1) | (since C++23) |
V models forward_range |
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constexpr
auto end(
) requires (
!__simple_view<V>
)
;
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(2) | (since C++23) |
constexpr
auto end(
)
const requires ranges::forward_range
<
const V>
;
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(3) | (since C++23) |
Returns an iterator or a std::default_sentinel that compares equal to the end iterator of the chunk_view
2,3) Available if V models
forward_range
. Let base_
denote the underlying adapted view, n_
denote the stored chunk size, and iterator
2) Equivalent to:
if constexpr (ranges::common_range<V> && ranges::sized_range<V>) { auto missing = (n_ - ranges::distance(base_) % n_) % n_; return iterator<false>(this, ranges::end(base_), missing); } else if constexpr (ranges::common_range<V> && !ranges::bidirectional_range<V>) return iterator<false>(this, ranges::end(base_)); else return std::default_sentinel;
3) Equivalent to:
if constexpr (ranges::common_range<const V> && ranges::sized_range<const V>) { auto missing = (n_ - ranges::distance(base_) % n_) % n_; return iterator<true>(this, ranges::end(base_), missing); } else if constexpr (ranges::common_range<const V> && !ranges::bidirectional_range<const V>) return iterator<true>(this, ranges::end(base_)); else return std::default_sentinel;
Parameters
(none)
Return value
An iterator or sentinel representing the end of the chunk_view
, as described above.
Example
This section is incomplete Reason: no example |
See also
returns an iterator to the beginning (public member function) |
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(C++20)
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returns a sentinel indicating the end of a range (customization point object) |