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

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Déclaré dans l'en-tête `<type_traits>`
`template< class T > struct add_lvalue_reference;`	(1)	(depuis C++11)
`template< class T > struct add_rvalue_reference;`	(2)	(depuis C++11)

Si T est un objet ou une fonction, fournit une type membre typedef qui est T&. Si T est une référence rvalue dans une certaine U type, puis type est U&. Sinon, type est 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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Si T est un objet ou une fonction, fournit une type membre typedef qui est T&&, sinon type est 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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Types de membres


Nom 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`	référence à `T` ou `T` si elle n'est pas autorisée 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

Ces transformations de type honneur règles effondrement de référence:

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&&

Exemple

Voir aussi


	vérifie si un type est soit lvalue de référence ou' rvalue de référence 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. (classe générique) [edit]

	supprime référence du type donné 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. (classe générique) [edit]