std::experimental::swap(std::experimental::optional)
From cppreference.com
< cpp | experimental | optional
Defined in header <experimental/optional> | ||
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).
Contents |
[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
| This section is incomplete Reason: no example |
[edit]See also
| exchanges the contents (public member function) |
