std::make_optional
From cppreference.com
Defined in header
<optional>
|
||
template< class T >
constexpr optional<typename std::decay<T>::type> |
(since C++17) | |
Creates an optional object from value
. Effectively calls
optional<typename std::decay<T>::type>(std::forward<T>(value))
Contents |
[edit] Parameters
value | - | the value to construct optional object with |
[edit] Return value
An optional object with value
as the contained value.
[edit] Exceptions
Throws any exception thrown by the constructor of T
.
[edit] See also
constructs the optional object (public member function) |