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std::aligned_union

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C++
 
Utilities-Bibliothek
 
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Grundtypen
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Basic types
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Grundtypen
Feste Breite Integer-Typen (C++11)
Numerische Grenzen
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Numeric limits
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numeric_limits
C numerische begrenzt Schnittstelle
Laufzeit-Typinformationen
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Runtime type information
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Exterieur
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Type traits
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Primären Typ Kategorien
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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)
is_scalar(C++11)
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)
is_member_function_pointer(C++11)
Typ Eigenschaften
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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)
Unterstützte Operationen
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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)
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is_copy_constructible
is_trivially_copy_constructible
is_nothrow_copy_constructible		(C++11)
(C++11)
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is_move_constructible
is_trivially_move_constructible
is_nothrow_move_constructible		(C++11)
(C++11)
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is_assignable
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is_nothrow_assignable		(C++11)
(C++11)
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is_copy_assignable
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is_nothrow_copy_assignable		(C++11)
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is_move_assignable
is_trivially_move_assignable
is_nothrow_move_assignable		(C++11)
(C++11)
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is_destructible
is_trivially_destructible
is_nothrow_destructible		(C++11)
(C++11)
(C++11)
has_virtual_destructor(C++11)
Beziehungen und Eigentum Abfragen
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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)
Typ Modifikationen
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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)
Typ Transformationen
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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)
Typ-Trait-Konstanten
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Type trait constants
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integral_constant(C++11)
 
definiert in Header <type_traits>
template< std::size_t Len, class... Types >
struct aligned_union;
 (seit C++11)
Bietet das Mitglied typedef type, die eine POD-Typ eignet sich für den Einsatz als initialisierten Speicher, richtig für ein Objekt von einer der Typen in Types aufgeführt ausgerichtet ist. Die Größe des Speichers zumindest Len. std::aligned_union bestimmt auch die strengsten (größte) Angleichung Voraussetzung bei allen Types und stellt sie als Konstante alignment_value .
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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Inhaltsverzeichnis

[Bearbeiten] Mitglied Typen

Name
Original:
Name
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 Definition
type
Die POD-Typ geeignet für die Lagerung von jeder Art von Types
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the POD type suitable for storage of any type from Types
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[Bearbeiten] Mitglied Konstanten

alignment_value
[statisch]
die strengste Angleichung Voraussetzung aller Types
Original:
the strictest alignment requirement of all Types
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(public static Mitglied konstanten)

[Bearbeiten] Beispiel

This section is incomplete
Reason: no example

[Bearbeiten] Siehe auch

(C++11)
Ruft den Type der Alignment-Anforderungen
Original:
obtains the type's alignment requirements
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(Klassen-Template) [edit]
(C++11)
definiert den Typ für die Verwendung als Speicher für initialisierten Arten von vorgegebener Größe
Original:
defines the type suitable for use as uninitialized storage for types of given size
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(Klassen-Template) [edit]
Von „https://de.cppreference.com/mwiki/index.php?title=cpp/types/aligned_union&oldid=30134“