Namespace
Varianti

std::auto_ptr

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< cpp‎ | memory

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C++
 
Utilità libreria
Tipo di supporto (basic types, RTTI, type traits)
Gestione della memoria dinamica
La gestione degli errori
Programma di utilità
Funzioni variadic
Data e ora
Funzione oggetti
initializer_list(C++11)
bitset
hash(C++11)
Gli operatori relazionali
Original:
Relational operators
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rel_ops::operator!=
rel_ops::operator>
rel_ops::operator<=
rel_ops::operator>=
Coppie e tuple
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Pairs and tuples
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pair
tuple(C++11)
piecewise_construct_t(C++11)
piecewise_construct(C++11)
Swap, in avanti e spostare
Original:
Swap, forward and move
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swap
forward(C++11)
move(C++11)
move_if_noexcept(C++11)
declval(C++11)
 
Gestione della memoria dinamica
Basso livello di gestione della memoria
Allocatori
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 inizializzata stoccaggio
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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
Puntatori intelligenti
Original:
Smart pointers
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unique_ptr(C++11)
shared_ptr(C++11)
weak_ptr(C++11)
auto_ptr(deprecato)
owner_less(C++11)
enable_shared_from_this(C++11)
bad_weak_ptr(C++11)
default_delete(C++11)
Garbage collection supporto
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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)
Varie
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Miscellaneous
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pointer_traits(C++11)
addressof(C++11)
align(C++11)
C Library
Original:
C Library
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std::auto_ptr
Membri funzioni
Original:
Member functions
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auto_ptr::auto_ptr
auto_ptr::~auto_ptr
auto_ptr::operator=
auto_ptr::operator*
auto_ptr::operator->
auto_ptr::get
auto_ptr::release
auto_ptr::reset
auto_ptr::operator auto_ptr<Y>
 
Elemento definito nell'header <memory>
template< class T > class auto_ptr;
 (1) (deprecato)
template<> class auto_ptr<void>
 (2) (deprecato)
auto_ptr è un puntatore intelligente che gestisce un oggetto ottenuto attraverso nuove ed elimina l'oggetto quando auto_ptr stesso viene distrutto. Esso può essere utilizzato per fornire sicurezza eccezione per gli oggetti allocati dinamicamente, per il passaggio di proprietà degli oggetti allocati dinamicamente, in funzioni e per la restituzione di oggetti allocati dinamicamente, dalle funzioni.
Original:
auto_ptr is a smart pointer that manages an object obtained via new and deletes that object when auto_ptr itself is destroyed. It may be used to provide exception safety for dynamically-allocated objects, for passing ownership of dynamically-allocated objects into functions and for returning dynamically-allocated objects from functions.
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Copiare un auto_ptr copia il puntatore e la proprietà trasferimenti a destinazione: sia copia costruzione e l'assegnazione copia del auto_ptr modificare i loro argomenti della mano destra, e la "copia" non è uguale a quello originale. A causa di queste semantica di copia insolite, auto_ptr non possono essere posti in contenitori standard. std::unique_ptr è preferito per questo e per altri usi.
Original:
Copying an auto_ptr copies the pointer and transfers ownership to the destination: both copy construction and copy assignment of auto_ptr modify their right hand arguments, and the "copy" is not equal to the original. Because of these unusual copy semantics, auto_ptr may not be placed in standard containers. std::unique_ptr is preferred for this and other uses.
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2)
Specializzazione per void natura è riportata, dichiara l'element_type typedef, ma non le funzioni membro.
Original:
Specialization for type void is provided, it declares the typedef element_type, but no member functions.
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Indice

[modifica] Membri tipi

Membro tipo
Original:
Member type
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 Definition
element_type T

[modifica] Membri funzioni
crea un nuovo auto_ptr
Original:
creates a new auto_ptr
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(metodo pubblico)
distrugge un auto_ptr e l'oggetto gestito
Original:
destroys an auto_ptr and the managed object
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(metodo pubblico)
trasferisce la proprietà di un altro auto_ptr
Original:
transfers ownership from another auto_ptr
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(metodo pubblico)
converte il puntatore gestito a un puntatore a tipo diverso
Original:
converts the managed pointer to a pointer to different type
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(metodo pubblico)
Modificatori
Original:
Modifiers
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distrugge l'oggetto gestito
Original:
destroys the managed object
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(metodo pubblico)
rilascia la proprietà dell'oggetto gestito
Original:
releases ownership of the managed object
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(metodo pubblico)
Osservatori
Original:
Observers
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ottiene un puntatore all'oggetto gestito
Original:
obtains a pointer to the managed object
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(metodo pubblico)
accede l'oggetto gestito
Original:
accesses the managed object
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(metodo pubblico)
Estratto da "https://it.cppreference.com/mwiki/index.php?title=cpp/memory/auto_ptr&oldid=26113"