std::add_lvalue_reference, std::add_rvalue_reference – cppreference.com

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definiert in Header `<type_traits>`

`template< class T > struct add_lvalue_reference;`	(1)	(seit C++11)

`template< class T > struct add_rvalue_reference;`	(2)	(seit C++11)

Wenn T Aufgabe oder Funktion ist, liefert ein Element, das typedef type T& ist. Wenn T ein rvalue Verweis auf irgendeine Art U ist, dann type ist U&. Ansonsten ist type T .

Original:

If T is an object or function, provides a member typedef type which is T&. If T is an rvalue reference to some type U, then type is U&. Otherwise, type is T.

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Wenn T Aufgabe oder Funktion ist, liefert ein Element, das typedef type T&& ist, sonst ist type T .

Original:

If T is an object or function, provides a member typedef type which is T&&, otherwise type is T.

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Mitglied Typen


Name Original: Name The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.	Definition

`type`	Verweis auf `T` oder `T` wenn nicht erlaubt Original: reference to `T`, or `T` if not allowed The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Notes

Diese Art Transformationen Ehre Referenz Zusammenbruch Regeln:

Original:

These type transformations honor reference collapse rules:

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std::add_lvalue_reference<T&>::type is T& std::add_lvalue_reference<T&&>::type is T& std::add_rvalue_reference<T&>::type is T& std::add_rvalue_reference<T&&>::type is T&&

Beispiel

Siehe auch


	prüft, ob ein Typ ist entweder lvalue Verweis oder rvalue Verweis Original: checks if a type is either lvalue reference or rvalue reference The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]

	Entfernt Verweis aus dem angegebenen Typ Original: removes reference from the given type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (Klassen-Template) [edit]