cppdraft_translate/cppdraft/tuple/special.md

[tuple.special]

22 General utilities library [utilities]

22.4 Tuples [tuple]

22.4.12 Tuple specialized algorithms [tuple.special]

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template<class... Types> constexpr void swap(tuple<Types...>& x, tuple<Types...>& y) noexcept(see below); template<class... Types> constexpr void swap(const tuple<Types...>& x, const tuple<Types...>& y) noexcept(see below);

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Constraints:

• (1.1)

  For the first overload,(is_swappable_v && ...) is true.

• (1.2)

  For the second overload,(is_swappable_v && ...) is true.

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Effects: As if by x.swap(y).

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Remarks: The exception specification is equivalent to:noexcept(x.swap(y))