std::allocator::construct

 

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正規表現ライブラリ (C++11)

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スレッドのサポートライブラリ (C++11)

 

動的なメモリ管理

低レベルのメモリ管理
アロケータ Original: Allocators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
allocator
allocator_traits (C++11)
allocator_arg_t (C++11)
allocator_arg (C++11)
uses_allocator (C++11)
scoped_allocator_adaptor (C++11)
ストレージを初期化されていない Original: Uninitialized storage The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
uninitialized_copy
uninitialized_copy_n (C++11)
uninitialized_fill
uninitialized_fill_n
raw_storage_iterator
get_temporary_buffer
return_temporary_buffer
スマートポインタ Original: Smart pointers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
unique_ptr (C++11)
shared_ptr (C++11)
weak_ptr (C++11)
auto_ptr (廃止予定)
owner_less (C++11)
enable_shared_from_this (C++11)
bad_weak_ptr (C++11)
default_delete (C++11)
ガベージコレクションをサポートしています Original: Garbage collection support The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
declare_reachable (C++11)
undeclare_reachable (C++11)
declare_no_pointers (C++11)
undeclare_no_pointers (C++11)
pointer_safety (C++11)
get_pointer_safety (C++11)
その他 Original: Miscellaneous The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
pointer_traits (C++11)
addressof (C++11)
align (C++11)
Cライブラリ Original: C Library The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
malloc calloc	realloc free

 

std::allocator

メンバ関数 Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

allocator::allocator

allocator::~allocator

allocator::address

allocator::allocate

allocator::deallocate

allocator::max_size

allocator::construct

allocator::destroy

非メンバ関数 Original: Non-member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

operator== operator!=

 

Defined in header <memory>
void construct( pointer p, const_reference val );		(C + + 11時まで)
template< class U, class... Args > void construct( U* p, Args&&... args );		(C + + 11以来)

配置-newを使って、Tが指す割り当てられ、初期化されていないストレージのタイプpのオブジェクトを構築します

Original:

Constructs an object of type T in allocated uninitialized storage pointed to by p, using placement-new

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1)

new((void *)p) T(val)呼び出します

Original:

Calls new((void *)p) T(val)

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2)

::new((void *)p) U(std::forward<Args>(args)...)呼び出します

Original:

Calls ::new((void *)p) U(std::forward<Args>(args)...)

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パラメータ

p	-	割り当てられた初期化されていないストレージへのポインタ Original: pointer to allocated uninitialized storage The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
val	-	コピーコンストラクタの引数として使用する値 Original: the value to use as the copy constructor argument The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
args...	-	コンストラクタの引数に使用する Original: the constructor arguments to use The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

値を返します

（なし）

Original:

(none)

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も参照してください

construct [静的]	割り振られたストレージ内のオブジェクトを構築します Original: constructs an object in the allocated storage The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (関数テンプレート)
operator new operator new[]	割り当て関数 Original: allocation functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (機能)