# std::experimental::swap(std::experimental::propagate_const)

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< cpp‎ | experimental‎ | propagate const

template< class T > constexpr void swap( std::experimental::propagate_const<T>& lhs, std::experimental::propagate_const<T>& rhs ) noexcept(/* see below */); |  | (library fundamentals TS v2)

Specializes the swap algorithm for std::experimental::propagate_const. Swaps the pointers of `lhs` and `rhs`. Equivalent to lhs.swap(rhs).

### Parameters

lhs, rhs | - | `propagate_const`s whose contents to swap

### Return value

(none)

### Exceptions

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

### Complexity

Constant

### See also

swap | swaps the values of two objects (function template)
swap | swaps the wrapped pointer (public member function)

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