operator==,<,>,<=,>=,<=>(ranges::concat_view::iterator)
friend constexpr bool operator==
( const /*iterator*/& x, std::default_sentinel_t );
|
(1) | (自 C++26) |
friend constexpr bool operator==
( const /*iterator*/& x, const /*iterator*/& y )
requires (std::equality_comparable<ranges::iterator_t<
std::conditional_t<Const, const Views, Views>>> && ...);
|
(2) | (自 C++26) |
friend constexpr bool operator<
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
|
(3) | (自 C++26) |
friend constexpr bool operator>
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
|
(4) | (自 C++26) |
friend constexpr bool operator<=
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
|
(5) | (自 C++26) |
friend constexpr bool operator>=
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
|
(6) | (自 C++26) |
friend constexpr auto operator<=>
( const /*iterator*/& x, const /*iterator*/& y )
requires (/*all-random-access*/<Const, Views...> &&
(std::three_way_comparable<ranges::iterator_t<
std::conditional_t<Const, const Views, Views>>> && ...));
|
(7) | (自 C++26) |
比较该迭代器与另一个迭代器或哨位。
x.it_ .valueless_by_exception() 是 true，则行为未定义。这些函数对普通的非限定或限定查找不可见，只能通过参数依赖查找找到，当 std::ranges::concat_view::iterator <Const> 是参数的关联类时。
参数
| x, y | - | 待比较的迭代器 |
返回值
x.
it_
.
index
(
)
==
(
sizeof...
(
Views
)
-
1
)
&&
x.
get-iter
<
sizeof...
(
Views
)
-
1
>
(
)
==
x.
get-end
<
sizeof...
(
Views
)
-
1
>
(
)
示例
|
本节内容不完整
原因：缺少示例 |