std::ranges::adjacent_transform_view<V,F,N>::iterator<Const>::operator*

 

C++

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特性测试宏 (C++20)

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概念库 (C++20)

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元编程库 (C++11)

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技术规范

符号索引

外部库

 

范围库 (Ranges library)

范围访问 begin cbegin   end cend rbegin crbegin   rend crend size ssize   data cdata reserve_hint (C++26)   empty

范围转换 (Range conversions) std::from_range_t std::from_range (C++23)(C++23)     to (C++23)

悬空迭代器处理 (Dangling iterator handling) dangling borrowed_iterator_t borrowed_subrange_t

范围原语 (Range primitives)
range_size_trange_difference_trange_value_t elements_of (C++23)	iterator_tconst_iterator_tsentinel_tconst_sentinel_t (C++23)(C++23)	range_reference_trange_const_reference_trange_rvalue_reference_trange_common_reference_t (C++23)

范围概念 (Range concepts)
range borrowed_range    common_range	sized_range viewable_range    view	input_range output_range forward_range	bidirectional_range    random_access_range contiguous_range	approximately_sized_range (C++26) constant_range (C++23)

视图
view_interface	subrange

范围工厂 (Range factories)
empty_viewviews::empty	single_viewviews::single	basic_istream_viewviews::istream	iota_viewviews::iota	repeat_viewviews::repeat (C++23)(C++23)

范围适配器 (Range adaptors)
views::all_tviews::all as_rvalue_viewviews::as_rvalue (C++23)(C++23)   filter_viewviews::filter transform_viewviews::transform take_viewviews::take take_while_viewviews::take_while common_viewviews::common views::counted to_input_viewviews::to_input (C++26)(C++26)	ref_view drop_viewviews::drop drop_while_viewviews::drop_while lazy_split_viewviews::lazy_split split_viewviews::split join_viewviews::join join_with_viewviews::join_with (C++23)(C++23)   concat_viewviews::concat (C++26)(C++26) cache_latest_viewviews::cache_latest (C++26)(C++26)	owning_view reverse_viewviews::reverse as_const_viewviews::as_const (C++23)(C++23) elements_viewviews::elements keys_viewviews::keys values_viewviews::values enumerate_viewviews::enumerate (C++23)(C++23) zip_viewviews::zip (C++23)(C++23) zip_transform_viewviews::zip_transform (C++23)(C++23)	adjacent_viewviews::adjacent (C++23)(C++23) views::pairwise (C++23) adjacent_transform_viewviews::adjacent_transform (C++23)(C++23) views::pairwise_transform (C++23) chunk_viewviews::chunk (C++23)(C++23) slide_viewviews::slide (C++23)(C++23) chunk_by_viewviews::chunk_by (C++23)(C++23) stride_viewviews::stride (C++23)(C++23) cartesian_product_viewviews::cartesian_product (C++23)(C++23)

范围生成器 (Range generators) std::generator (C++23)

范围适配器闭包对象 (Range adaptor closure objects) range_adaptor_closure (C++23)

范围适配器对象 (Range adaptor objects)

辅助项 (Helper items)
copyable-box movable-box (直到 C++23)  (C++23)	simple-view non-propagating-cache

 

std::ranges::adjacent_transform_view

成员函数

adjacent_transform_view::adjacent_transform_view

adjacent_transform_view::begin

adjacent_transform_view::end

adjacent_transform_view::size

迭代器 (Iterator)

成员函数

adjacent_transform_view::iterator::iterator

adjacent_transform_view::iterator::operator*

adjacent_transform_view::iterator::operator[]

adjacent_transform_view::iterator::operator++ adjacent_transform_view::iterator::operator++(int) adjacent_transform_view::iterator::operator-- adjacent_transform_view::iterator::operator--(int) adjacent_transform_view::iterator::operator+= adjacent_transform_view::iterator::operator-=

非成员函数

operator==(adjacent_transform_view::iterator) operator<(adjacent_transform_view::iterator) operator>(adjacent_transform_view::iterator) operator<=(adjacent_transform_view::iterator) operator>=(adjacent_transform_view::iterator) operator<=>(adjacent_transform_view::iterator)

operator+(adjacent_transform_view::iterator) operator-(adjacent_transform_view::iterator)

哨兵 (Sentinel)

成员函数

adjacent_transform_view::sentinel::sentinel

非成员函数

operator==(adjacent_transform_view::iterator,adjacent_transform_view::sentinel)

operator-(adjacent_transform_view::iterator,adjacent_transform_view::sentinel)

 

constexpr decltype(auto) operator*() const noexcept(/* see below */);		(C++23 起)

返回 adjacent_transform_view 中的当前元素。

令 parent_ 和 inner_ 为 迭代器 的数据成员。等价于

return apply([&](const auto&... iters) -> decltype(auto)
             {
                 return invoke(*parent_->fun_, *iters...);
             },
             inner_.current_);

参数

(无)

返回值

当前元素。

异常

令 Is 为包 0, 1, ..., (N - 1)。

noexcept 规范：  

noexcept(std::invoke(*parent_->fun_, *std::get<Is>(inner_.current_)...))

参阅

operator[] (C++23)

通过索引访问元素 (公开成员函数)