std::pointer_traits::pointer_to
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| Déclaré dans l'en-tête <memory>
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| static pointer pointer_traits<Ptr>::pointer_to(element_type& r ); |
(depuis C++11) | |
| static pointer pointer_traits<T*>::pointer_to(element_type& r); |
(depuis C++11) | |
Construit un pointeur dereferenceable à son argument .
Original:
Constructs a dereferenceable pointer to its argument.
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1)
La version de cette fonction dans le modèle std::pointer_traits non spécialisé appelle simplement Ptr::pointer_to(r), et si Ptr ne fournit pas une fonction membre statique
pointer_to, l'instanciation de cette fonction est une erreur de compilation .Original:
The version of this function in the non-specialized std::pointer_traits template simply calls Ptr::pointer_to(r), and if Ptr does not provide a static member function
pointer_to, instantiation of this function is a compile-time error.The text has been machine-translated via Google Translate.
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2)
La version de cette fonction dans la spécialisation des std::pointer_traits pour les types pointeur retourne std::addressof(r)
Original:
The version of this function in the specialization of std::pointer_traits for pointer types returns std::addressof(r)
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Sommaire |
[modifier] Paramètres
| r | - | référence à un objet de element_type& type, sauf si ELEMENT_TYPE est void, dans ce cas, le type de
r n'est pas spécifié Original: reference to an object of type element_type&, except if element_type is void, in which case the type of r is unspecified The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[modifier] Retourne la valeur
Un pointeur dereferenceable à
r, de la pointer_traits type <> :: .. pointeurOriginal:
A dereferenceable pointer to
r, of the type pointer_traits<>::pointer.The text has been machine-translated via Google Translate.
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[modifier] Exceptions
1)Non spécifié (généralement la même que Ptr::pointer_to)
2)
Original:
Unspecified (typically same as Ptr::pointer_to)
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[modifier] Notes
Le boost library version de cette fonction retourne pointer(std::addressof(r)) si Ptr :: pointer_to n'existe pas .
Original:
The boost library version of this function returns pointer(std::addressof(r)) if Ptr::pointer_to does not exist.
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[modifier] Voir aussi
| (C++11) |
obtient l'adresse réelle d'un objet, même si l'opérateur & est surchargé Original: obtains actual address of an object, even if the & operator is overloaded The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction générique) |
| obtient l'adresse d'un objet, même si operator& est surchargé Original: obtains the address of an object, even if operator& is overloaded The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (fonction membre publique de std::allocator)
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