std::swap(std::tuple) (3) Linux Manual Page

std::swap(std::tuple) – std::swap(std::tuple)

Synopsis

template <class... Types>
(since C++ 11)

    void swap(tuple<Types...> &lhs, tuple<Types...> &rhs) noexcept(/* see below */);
(until C++ 20)

    template <class... Types>

    constexpr void(since C++ 20)

        swap(tuple<Types...> &lhs, tuple<Types...> &rhs) noexcept(/* see below */);

Swaps the contents of lhs and rhs. Equivalent to lhs.swap(rhs).
This function does not participate in overload resolution unless std::is_swappable_v<Ti> is true for all i from 0 to sizeof…(Types). (since C++17)

Parameters

lhs, rhs – tuples whose contents to swap

Return value

(none)

Exceptions

noexcept specification:
noexcept(noexcept(lhs.swap(rhs)))

See also