operator==, !=(std::move_iterator<Iter>, std::move_sentinel)

 

C++

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技术规范

 

迭代器库

迭代器概念
readable (C++20) writable (C++20) weakly_incrementable (C++20) incrementable (C++20) input_or_output_iterator (C++20) sentinel_for (C++20) sized_sentinel_for (C++20)	input_iterator (C++20) output_iterator (C++20) forward_iterator (C++20) bidirectional_iterator (C++20) random_access_iterator (C++20) contiguous_iterator (C++20)
迭代器原语
iterator_traits input_iterator_tagoutput_iterator_tagforward_iterator_tagbidirectional_iterator_tagrandom_access_iterator_tagcontiguous_iterator_tag (C++20) iterator (C++17 中弃用)	incrementable_traits (C++20) readable_traits (C++20) iter_value_titer_difference_titer_reference_titer_rvalue_reference_titer_common_reference_t (C++20)(C++20)(C++20)(C++20)(C++20)
迭代器适配器
reverse_iterator move_iterator (C++11) move_sentinel (C++20) common_iterator (C++20) counted_iterator (C++20) back_insert_iterator front_insert_iterator insert_iterator	make_reverse_iterator (C++14) make_move_iterator (C++11) default_sentinel_tdefault_sentinel (C++20)(C++20) unreachable_sentinel_tunreachable_sentinel (C++20)(C++20) back_inserter front_inserter inserter
流迭代器
istream_iterator ostream_iterator	istreambuf_iterator ostreambuf_iterator
迭代器定制点
ranges::iter_move (C++20)
ranges::iter_swap (C++20)
迭代器操作
advance distance prev (C++11) next (C++11)	ranges::advance (C++20) ranges::distance (C++20) ranges::prev (C++20) ranges::next (C++20)
范围访问
begincbegin (C++11)(C++14) endcend (C++11)(C++14) sizessize (C++17)(C++20)	rbegincrbegin (C++14)(C++14) rendcrend (C++14)(C++14) empty (C++17) data (C++17)

 

std::move_iterator

成员函数

move_iterator::move_iterator

move_iterator::operator=

move_iterator::base

move_iterator::operator*move_iterator::operator->

move_iterator::operator[]

move_iterator::operator++move_iterator::operator+move_iterator::operator+=move_iterator::operator--move_iterator::operator-move_iterator::operator-=

非成员函数

operator==operator!=operator<operator>

operator==(move_sentinel)operator!=(move_sentinel) (C++20)(C++20)

operator+

operator-

operator-(move_sentinel) (C++20)

iter_move (C++20)

iter_swap (C++20)

 

template<std::sentinel_for<Iter> S>   friend constexpr bool     operator!=(const move_iterator& i, const std::move_sentinel<S>& s);	(1)	(C++20 起)
template<std::sentinel_for<Iter> S>   friend constexpr bool     operator==(const std::move_sentinel<S>& s, const move_iterator& i);	(2)	(C++20 起)
template<std::sentinel_for<Iter> S>   friend constexpr bool     operator!=(const move_iterator& i, const std::move_sentinel<S>& s);	(3)	(C++20 起)
template<std::sentinel_for<Iter> S>   friend constexpr bool     operator!=(const std::move_sentinel<S>& s, const move_iterator& i);	(4)	(C++20 起)

比较 move_iterator 与 move_sentinel 。

这些函数对通常无限定或有限定查找不可见，而只能由参数依赖查找在 std::move_iterator<Iter> 为参数的关联类时找到。

参数

i	-	std::move_iterator<Iter>
s	-	std::move_sentinel<S> ，其中 S 实现 std::sentinel_for<Iter>

返回值

1-2) i.base() == s.base()

3-4) !(i == s)

参阅

operator==operator!=operator<operator<=operator>operator>=

比较底层迭代器 (函数模板)