# std::swap(std::tuple)

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< 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)

### Parameters

lhs, rhs | - | tuples whose contents to swap

### Return value

(none)

### Exceptions

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

### See also

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Category:

- conditionally noexcept