std::experimental::make_optional
From cppreference.com
< cpp | experimental | optional
| Defined in header <experimental/optional>
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| template< class T > constexpr optional<typename std::decay<T>::type> |
(library fundamentals TS) | |
Creates an optional object from value. Effectively calls
optional<typename std::decay<T>::type>(std::forward<T>(value))
Parameters
| value | - | the value to construct optional object with |
Return value
An optional object with value as the contained value.
Exceptions
Throws any exception thrown by the constructor of T.
See also
| constructs the optional object (public member function) |