Namespaces
Variants
Views
Actions

std::make_optional

From cppreference.com
Defined in header <experimental/optional>
template< class T >

constexpr optional<typename std::decay<T>::type>

    make_optional( T&& value );
(library fundamentals TS)

Creates an optional object from value. Effectively calls optional<typename std::decay<T>::type>(std::forward<T>(v))

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) [edit]