23 Iterators library [iterators]

23.5 Iterator adaptors [predef.iterators]

23.5.3 Move iterators and sentinels [move.iterators]

23.5.3.8 Comparisons [move.iter.op.comp]

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template<class Iterator1, class Iterator2> constexpr bool operator==(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y); template<sentinel_­for<Iterator> S> friend constexpr bool operator==(const move_iterator& x, const move_sentinel<S>& y);
1
#
Constraints: x.base() == y.base() is well-formed and convertible to bool.
2
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Returns: x.base() == y.base().
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template<class Iterator1, class Iterator2> constexpr bool operator<(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y);
3
#
Constraints: x.base() < y.base() is well-formed and convertible to bool.
4
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Returns: x.base() < y.base().
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template<class Iterator1, class Iterator2> constexpr bool operator>(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y);
5
#
Constraints: y.base() < x.base() is well-formed and convertible to bool.
6
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Returns: y < x.
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template<class Iterator1, class Iterator2> constexpr bool operator<=(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y);
7
#
Constraints: y.base() < x.base() is well-formed and convertible to bool.
8
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Returns: !(y < x).
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template<class Iterator1, class Iterator2> constexpr bool operator>=(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y);
9
#
Constraints: x.base() < y.base() is well-formed and convertible to bool.
10
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Returns: !(x < y).
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template<class Iterator1, three_­way_­comparable_­with<Iterator1> Iterator2> constexpr compare_three_way_result_t<Iterator1, Iterator2> operator<=>(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y);
11
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Returns: x.base() <=> y.base().