std::is_object
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Defined in header <type_traits>
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template< class T > struct is_object; |
(depuis C++11) | |
Si
T
est un type d'objet (c'est-à-scalaire, tableau, classe, ou de l'union), fournit du membre de constante value
true égale. Pour tout autre type, value
est false .Original:
If
T
is an object type (that is, scalar, array, class, or union), provides the member constant value
equal true. For any other type, value
is false.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Sommaire |
Inherited from std::integral_constant
Member constants
value [ statique ]Original: static The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
true si T is an object type , false autrement Original: true if T is an object type , false otherwise The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (constante membre statique publique) |
Member functions
operator bool |
convertit l'objet en bool, retourne value Original: converts the object to bool, returns value 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) |
Member types
Type d'
Original: Type The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Definition |
value_type
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bool
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type
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std::integral_constant<bool, value> |
[modifier] Mise en œuvre possible
template< class T> struct is_object : std::integral_constant<bool, std::is_scalar<T>::value || std::is_array<T>::value || std::is_union<T>::value || std::is_class<T>::value> {}; |
[modifier] Exemple
Résultat :
true false true false
[modifier] Voir aussi
(C++11) |
vérifie si un type est de type scalaire Original: checks if a type is scalar 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) |
(C++11) |
vérifie si un type est un type tableau Original: checks if a type is an array 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) |
(C++11) |
vérifie si un type est un type d'union Original: checks if a type is an union 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) |
(C++11) |
checks if a type is a class type (but not union type) (classe générique) |