std::swap(std::experimental::optional)

 

C++

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std::experimental::optional

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swap

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Defined in header <experimental/optional>
template< class T > void swap( optional<T>& lhs, optional<T>& rhs );		(library fundamentals TS)

Overloads the std::swap algorithm for std::experimental::optional. Exchanges the state of lhs with that of rhs. Effectively calls lhs.swap(rhs).

Parameters

lhs, rhs

-

optional objects whose states to swap

Return value

(none)

Exceptions

noexcept specification:  (since C++11)

noexcept(lhs.swap(rhs))

See also

swap	exchanges the contents (public member function)