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cppdraft_translate/cppdraft/optional/nullops.md
Leonov Artur (Depish) 043225d523 Init
2025-10-25 03:02:53 +03:00

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[optional.nullops]

22 General utilities library [utilities]

22.5 Optional objects [optional]

22.5.8 Comparison with nullopt [optional.nullops]

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template<class T> constexpr bool operator==(const optional<T>& x, nullopt_t) noexcept;

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Returns: !x.

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template<class T> constexpr strong_ordering operator<=>(const optional<T>& x, nullopt_t) noexcept;

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Returns: x.has_value() <=> false.