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std::swap(std::tuple)

From cppreference.com
< cpp‎ | utility‎ | tuple
template< class... Types >
void swap( tuple<Types...>& lhs, tuple<Types...>& rhs ) noexcept(/* see below */);
(since C++11)

Swaps the contents of lhs and rhs. Equivalent to lhs.swap(rhs).

This function does not participate in overload resolution unless std::is_swappable<Ti>::value is true for all i from 0 to sizeof...(Types).

(since C++17)

Contents

[edit] Parameters

lhs, rhs - tuples whose contents to swap

[edit] Return value

(none)

[edit] Exceptions

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

[edit] See also