Namespace
Varianti

<div class="t-tr-text">operatore<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">operator</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> delete<div class="t-tr-text">, Operatore<div class="t-tr-dropdown"><div><div><div class="t-tr-dropdown-arrow-border"></div><div class="t-tr-dropdown-arrow"></div><div class="t-tr-dropdown-h">Original:</div><div class="t-tr-dropdown-orig">, operator</div><div class="t-tr-dropdown-notes">The text has been machine-translated via [http://translate.google.com Google Translate].<br/> You can help to correct and verify the translation. Click [http://en.cppreference.com/w/Cppreference:MachineTranslations here] for instructions.</div></div></div></div></div> delete[]

Da cppreference.com.
< cpp‎ | memory‎ | new

 
 
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
Original:
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
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
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
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)
Varie
Original:
Miscellaneous
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pointer_traits(C++11)
addressof(C++11)
align(C++11)
C Library
Original:
C Library
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Basso livello di gestione della memoria
Funzioni
Original:
Functions
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operator new
operator new[]
operator delete
operator delete[]
get_new_handler(C++11)
set_new_handler
Classi
Original:
Classes
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bad_alloc
bad_array_new_length(C++11)
nothrow_t
Tipi
Original:
Types
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new_handler
Oggetti
Original:
Objects
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nothrow
 
Defined in header <new>
void operator delete  ( void* ptr );
(1)
void operator delete[]( void* ptr );
(2)
void operator delete  ( void* ptr, const std::nothrow_t& );
(3)
void operator delete[]( void* ptr, const std::nothrow_t& );
(4)
void operator delete  ( void* ptr, void*);
(5)
void operator delete[]( void* ptr, void* );
(6)
Rilascia stoccaggio. Queste funzioni di allocazione vengono chiamati da eliminare-espressioni per deallocare memoria dopo distruggendo oggetti dinamici.
Original:
Deallocates storage. These allocation functions are called by eliminare-espressioni to deallocate memory after destructing dynamic objects.
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1)
Dealloca stoccaggio, ottenuto da una chiamata a operator new(size_t) o operator new(size_t, std::nothrow_t)
Original:
Deallocates storage, obtained by a call to operator new(size_t) or operator new(size_t, std::nothrow_t)
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2)
Dealloca stoccaggio, ottenuto da una chiamata a operator new[](size_t) o operator new[](size_t, std::nothrow_t)
Original:
Deallocates storage, obtained by a call to operator new[](size_t) or operator new[](size_t, std::nothrow_t)
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3-4)
Stesso 1-2) se non sostituito. Queste versioni sono chiamati da non gettare nuove espressioni-se un costruttore che chiamano genera un'eccezione.
Original:
Same as 1-2) unless replaced. These versions are called by non-throwing new-expressions if a constructor they call throws an exception.
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5-6)
Non fare nulla. Queste versioni sono chiamati da espressioni di collocamento di nuovi, se un costruttore che chiamano genera un'eccezione.
Original:
Do nothing. These versions are called by placement new expressions if a constructor they call throws an exception.
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In tutti i casi, se ptr è un puntatore nullo, la funzione deallocazione non fa nulla.
Original:
In all cases, if ptr is a null pointer, the deallocation function does nothing.
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Indice

[modifica] Sostituzione e sovraccarico

Le versioni 1-4) sono implicitamente dichiarate in ogni unità di traduzione, anche se l'intestazione <new> non è incluso. Queste funzioni sono' sostituibili: un utente fornito non funzione membro con la stessa firma sostituisce la versione implicita. Al più una sostituzione possono essere forniti per ciascuna delle quattro funzioni deallocazione implicite. Inoltre, il programma può definire versioni membro di classe di queste funzioni o definire le funzioni di assegnazione con firme diverse (tranne 5-6) non sono sostituibili).
Original:
The versions 1-4) are implicitly declared in each translation unit even if the <new> header is not included. These functions are replaceable: a user-provided non-member function with the same signature replaces the implicit version. At most one replacement may be provided for each of the four implicit deallocation functions. Also, program can define class member versions of these functions or define allocation functions with different signatures (except 5-6) are not replaceable).
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La funzione può essere sostituito deallocazione / sovraccarico in due modi:
Original:
The deallocation function can be replaced/overloaded in two ways:
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'In ambito globale': per chiamarlo, la firma delle funzioni di allocazione di overload deve essere visibile nel luogo di deallocazione, fatta eccezione per le funzioni di default implicitamente dichiarate deallocazione. Questa funzione assegnazione viene utilizzata per tutte deallocazioni con parametri corrispondenti nel programma corrente
Original:
in the global scope: in order to call it, the signature of the overloaded allocation functions must be visible at the place of deallocation, except for implicitly declared default deallocation functions. This allocation function will be used for all deallocations with corresponding parameters in the current program
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'Nello scope locale': il operator delete sovraccarico deve essere statico funzione membro pubblico della classe. Questa funzione deallocazione saranno utilizzati solo per le deallocazioni di quella particolare classe.
Original:
in the local scope: the overloaded operator delete must be static public member function of the class. This deallocation function will be used only for deallocations of that particular class.
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Durante la compilazione, ogni espressione delete cerca per nome di funzione deallocazione un appropriato in primo luogo nel campo di applicazione di classe e dopo che in ambito globale. Che può essere usato per saltare il primo passo. Si noti che secondo sovraccarico regole, le funzioni deallocazione dichiarati in ambito della classe nasconde tutte le funzioni deallocazione globali. Per ulteriori informazioni vedere eliminare espressione.
Original:
During compilation, each delete expression looks up for appropriate deallocation function's name firstly in the class scope and after that in the global scope. It can be instructed to skip the first step. Note, that as per sovraccarico regole, any deallocation functions declared in class scope hides all global deallocation functions. For more information see eliminare espressione.
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[modifica] Parametri

ptr -
puntatore ad un'area di memoria o deallocare un puntatore nullo
Original:
pointer to a memory area to deallocate or a null pointer
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[modifica] Valore di ritorno

(Nessuno)
Original:
(none)
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[modifica] Eccezioni

noexcept specification:  
noexcept
  (dal C++11)

[modifica] Vedi anche

[modifica] Vedi anche

allocazione funzioni
Original:
allocation functions
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(funzione) [edit]
versioni non inizializzata stoccaggio
Original:
releases uninitialized storage
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(funzione)
dealloca memoria
Original:
deallocates memory
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(funzione)