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std::allocator::construct

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< cpp‎ | memory‎ | allocator

 
 
La gestion dynamique de la mémoire
Faible niveau de gestion de la mémoire
Répartiteurs
Original:
Allocators
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allocator
allocator_traits (C++11)
allocator_arg_t (C++11)
allocator_arg (C++11)
uses_allocator (C++11)
scoped_allocator_adaptor (C++11)
Non initialisée stockage
Original:
Uninitialized storage
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uninitialized_copy
uninitialized_copy_n (C++11)
uninitialized_fill
uninitialized_fill_n
raw_storage_iterator
get_temporary_buffer
return_temporary_buffer
Pointeurs intelligents
Original:
Smart pointers
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unique_ptr (C++11)
shared_ptr (C++11)
weak_ptr (C++11)
auto_ptr (obsolète)
owner_less (C++11)
enable_shared_from_this (C++11)
bad_weak_ptr (C++11)
default_delete (C++11)
Soutien garbage collection
Original:
Garbage collection support
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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)
Divers
Original:
Miscellaneous
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pointer_traits (C++11)
addressof (C++11)
align (C++11)
Bibliothèque C
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C Library
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std::allocator
Les fonctions membres
Original:
Member functions
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allocator::allocator
allocator::~allocator
allocator::address
allocator::allocate
allocator::deallocate
allocator::max_size
allocator::construct
allocator::destroy
Tiers fonctions
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Non-member functions
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operator==
operator!=
 
Defined in header <memory>
void construct( pointer p, const_reference val );
(avant C++11)
template< class U, class... Args >
void construct( U* p, Args&&... args );
(depuis C++11)
Construit un objet de type T de stockage alloué non initialisée pointé par p, en utilisant le placement neuf
Original:
Constructs an object of type T in allocated uninitialized storage pointed to by p, using placement-new
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1)
Appels new((void *)p) T(val)
Original:
Calls new((void *)p) T(val)
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2)
Appels ::new((void *)p) U(std::forward<Args>(args)...)
Original:
Calls ::new((void *)p) U(std::forward<Args>(args)...)
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[modifier] Paramètres

p -
pointeur non initialisé au stockage alloué
Original:
pointer to allocated uninitialized storage
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val -
la valeur à utiliser comme argument du constructeur de copie
Original:
the value to use as the copy constructor argument
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args... -
les arguments du constructeur à utiliser
Original:
the constructor arguments to use
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[modifier] Retourne la valeur

(Aucun)
Original:
(none)
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[modifier] Voir aussi

[
statique
Original:
static
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]
construit un objet à l'emplacement alloué
Original:
constructs an object in the allocated storage
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(fonction générique) [edit]
fonctions d'allocation
Original:
allocation functions
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(fonction) [edit]