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std::aligned_union

提供: cppreference.com
< cpp‎ | types

 
 
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initializer_list(C++11)
bitset
hash(C++11)
関係演算子
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Relational operators
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rel_ops::operator!=
rel_ops::operator>
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rel_ops::operator>=
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Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
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Swap, forward and move
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swap
forward(C++11)
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基本的なタイプ
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Basic types
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基本的なタイプ
固定幅の整数型 (C++11)
数値の限界
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Numeric limits
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numeric_limits
Cの数値は、インターフェイスを制限します
実行時型情報
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Runtime type information
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型の特徴
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Type traits
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プライマリタイプカテゴリ
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Primary type categories
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is_void(C++11)
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Type properties
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is_const(C++11)
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Supported operations
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is_constructible
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is_assignable
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is_copy_assignable
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is_destructible
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has_virtual_destructor(C++11)
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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)
型の変更
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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)
型変換
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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)
形質定数を入力します
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Type trait constants
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integral_constant(C++11)
 
Defined in header <type_traits>
template< std::size_t Len, class... Types >
struct aligned_union;
(C++11およびそれ以降)
正しくtypeに記載されている任意の型のオブジェクトに整列させた初期化されていないストレージとして使用するのに適したPOD型であるメンバのtypedefTypesは、用意されています。ストレージのサイズは少なくともLenです。 std::aligned_unionはまた、すべてのTypesうち最も厳しい数値(最大)の配置要件を決定し、一定alignment_valueとして使用できるようにします.
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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目次

[編集] メンバータイプ

名前
Original:
Name
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Definition
type
Typesから任意の種類のストレージに適したPOD型
Original:
the POD type suitable for storage of any type from Types
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[編集] メンバー定数

alignment_value
[静的]
すべてTypes最も厳しいアラインメント要件
Original:
the strictest alignment requirement of all Types
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(パブリック静的メンバ定数)

[編集]

[編集] も参照してください

型の整列要求を取得します
Original:
obtains the type's alignment requirements
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(クラステンプレート) [edit]
指定されたサイズのタイプのための初期化されていないストレージとして使用するのに適したタイプを定義します
Original:
defines the type suitable for use as uninitialized storage for types of given size
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(クラステンプレート) [edit]