operator==,<,>,<=,>=,<=>(ranges::concat_view::iterator)
来自cppreference.com
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| 辅助项 | |||||||||||||||||
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friend constexpr bool operator==
( const /*iterator*/& x, std::default_sentinel_t );
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(1) | (C++26 起) |
friend constexpr bool operator==
( const /*iterator*/& x, const /*iterator*/& y )
requires (std::equality_comparable<ranges::iterator_t<
std::conditional_t<Const, const Views, Views>>> && ...);
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(2) | (C++26 起) |
friend constexpr bool operator<
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
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(3) | (C++26 起) |
friend constexpr bool operator>
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
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(4) | (C++26 起) |
friend constexpr bool operator<=
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
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(5) | (C++26 起) |
friend constexpr bool operator>=
( const /*iterator*/& x, const /*iterator*/& y )
requires /*all-random-access*/<Const, Views...>;
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(6) | (C++26 起) |
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>>> && ...));
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(7) | (C++26 起) |
将迭代器与另一个迭代器或哨位进行比较。
x.it_ .valueless_by_exception() 是 true，那么行为未定义。这些函数对常规的无限定或有限定查找不可见，而只能在 std::ranges::concat_view::iterator <Const> 为实参的关联类时由实参依赖查找找到。
| x, y | - | 要比较的迭代器 |