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std::experimental::make_optional

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Technical specifications
Filesystem library (filesystem TS)
Library fundamentals (library fundamentals TS)
Library fundamentals 2 (library fundamentals 2 TS)
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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>(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) [edit]