cppdraft_translate/cppdraft/variant/specalg.md

[variant.specalg]

22 General utilities library [utilities]

22.6 Variants [variant]

22.6.10 Specialized algorithms [variant.specalg]

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template<class... Types> constexpr void swap(variant<Types...>& v, variant<Types...>& w) noexcept(see below);

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Constraints: is_move_constructible_v && is_swappable_v is true for all i.

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Effects: Equivalent to v.swap(w).

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Remarks: The exception specification is equivalent to noexcept(v.swap(w)).