std::experimental::swap(std::experimental::optional) - cppreference.com (original) (raw)

| | | | | --------------------------------------------------------------------------------------------------- | | ------------------------- | | template< class T > void swap( optional<T>& lhs, optional<T>& rhs ) noexcept(/* see below */); | | (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).

[edit] Parameters

lhs, rhs - optional objects whose states to swap

[edit] Return value

(none)

[edit] Exceptions

noexcept

specification:

noexcept(noexcept(lhs.swap(rhs)))

[edit] Example

[edit] See also

| | exchanges the contents (public member function) [edit] | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |