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std::aligned_union

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< cpp‎ | types

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C++
 
Bibliothèque d'utilitaires
 
Soutien aux types fondamentaux
Les types de base
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Basic types
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Types fondamentaux
Fixe les types entiers largeur (C++11)
Limites numériques
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Numeric limits
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numeric_limits
C numérique limite interface
Informations sur le type d'exécution
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Runtime type information
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Caractères de type
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Type traits
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Catégories de type primaire
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Primary type categories
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is_void (C++11)
is_array (C++11)
is_pointer (C++11)
is_enum (C++11)
is_union (C++11)
is_class (C++11)
is_function (C++11)
is_object (C++11)
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is_compound (C++11)
is_integral (C++11)
is_floating_point (C++11)
is_fundamental (C++11)
is_arithmetic (C++11)
is_reference (C++11)
is_lvalue_reference (C++11)
is_rvalue_reference (C++11)
is_member_pointer (C++11)
is_member_object_pointer (C++11)
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Les propriétés du type
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Type properties
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is_const (C++11)
is_volatile (C++11)
is_pod (C++11)
is_empty (C++11)
is_polymorphic (C++11)
is_abstract (C++11)
Opérations prises en charge
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Supported operations
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is_constructible
is_trivially_constructible
is_nothrow_constructible		 (C++11)
(C++11)
(C++11)
is_default_constructible
is_trivially_default_constructible
is_nothrow_default_constructible		 (C++11)
(C++11)
(C++11)
is_copy_constructible
is_trivially_copy_constructible
is_nothrow_copy_constructible		 (C++11)
(C++11)
(C++11)
is_move_constructible
is_trivially_move_constructible
is_nothrow_move_constructible		 (C++11)
(C++11)
(C++11)
is_assignable
is_trivially_assignable
is_nothrow_assignable		 (C++11)
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is_copy_assignable
is_trivially_copy_assignable
is_nothrow_copy_assignable		 (C++11)
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(C++11)
is_move_assignable
is_trivially_move_assignable
is_nothrow_move_assignable		 (C++11)
(C++11)
(C++11)
is_destructible
is_trivially_destructible
is_nothrow_destructible		 (C++11)
(C++11)
(C++11)
has_virtual_destructor (C++11)
Les relations et les requêtes de propriété
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Relationships and property queries
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is_same (C++11)
is_base_of (C++11)
is_convertible (C++11)
alignment_of (C++11)
rank (C++11)
extent (C++11)
Modifications de type
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Type modifications
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remove_cv
remove_const
remove_volatile		 (C++11)
(C++11)
(C++11)
add_cv
add_const
add_volatile		 (C++11)
(C++11)
(C++11)
make_signed (C++11)
make_unsigned (C++11)
Transformations de type
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Type transformations
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aligned_storage (C++11)
aligned_union (C++11)
decay (C++11)
enable_if (C++11)
conditional (C++11)
common_type (C++11)
underlying_type (C++11)
result_of (C++11)
Tapez constantes traits
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Type trait constants
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integral_constant (C++11)
 
Déclaré dans l'en-tête <type_traits>
template< std::size_t Len, class... Types >
struct aligned_union;
 (depuis C++11)
Fournit la type membre typedef, qui est un type POD peut être utilisé comme stockage non initialisée, alignée correctement pour un objet de l'un des types énumérés dans Types. La taille de la mémoire est au moins Len. std::aligned_union détermine également l'exigence stricte d'alignement (plus) parmi tous Types et le rend disponible le alignment_value constante .
Original:
Provides the member typedef type, which is a POD type suitable for use as uninitialized storage, correctly aligned for an object of any of the types listed in Types. The size of the storage is at least Len. std::aligned_union also determines the strictest (largest) alignment requirement among all Types and makes it available as the constant alignment_value.
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Sommaire

[modifier] Types de membres

Nom
Original:
Name
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 Definition
type
le type de POD adapté pour le stockage de tout type de Types
Original:
the POD type suitable for storage of any type from Types
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[modifier] Constantes membres

alignment_value
[
statique
Original:
static
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]
l'exigence stricte alignement de tous Types
Original:
the strictest alignment requirement of all Types
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(constante membre statique publique)

[modifier] Exemple

This section is incomplete
Reason: no example

[modifier] Voir aussi

(C++11)
 obtient les exigences d'alignement du type
(classe générique) [edit]
(C++11)
définit le type approprié pour une utilisation comme stockage non initialisée pour les types de taille donnée
Original:
defines the type suitable for use as uninitialized storage for types of given size
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(classe générique) [edit]
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