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std::deque::emplace

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< cpp‎ | container‎ | deque

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C++
 
Contenitori libreria
 
std :: deque
Membri funzioni
Original:
Member functions
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deque::deque
deque::~deque
deque::operator=
deque::assign
deque::get_allocator
Elemento accesso
Original:
Element access
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deque::front
deque::back
Iteratori
Original:
Iterators
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deque::begin
deque::cbegin
(C++11)
deque::end
deque::cend
(C++11)
deque::rbegin
deque::crbegin
(C++11)
deque::rend
deque::crend
(C++11)
Capacità
Original:
Capacity
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deque::empty
deque::size
deque::max_size
deque::shrink_to_fit
Modificatori
Original:
Modifiers
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deque::clear
deque::insert
deque::emplace
deque::erase
deque::push_front
deque::emplace_front
deque::pop_front
deque::push_back
deque::emplace_back
deque::pop_back
deque::resize
deque::swap
 
template< class... Args >
iterator emplace( const_iterator pos, Args&&... args );
 (dal C++11)
Inserisce un nuovo elemento nel contenitore direttamente prima pos. L'elemento è costruito sul posto, cioè non copia o operazioni di spostamento vengono eseguite. Il costruttore dell'elemento viene chiamato con il std::forward<Args>(args)... argomenti. Il tipo di elemento deve essere EmplaceConstructible, MoveInsertable and MoveAssignable.
Original:
Inserts a new element into the container directly before pos. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element is called with the arguments std::forward<Args>(args).... The element type must be EmplaceConstructible, MoveInsertable and MoveAssignable.
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All iterators are invalidated. References are invalidated too, unless pos == begin() or pos == end(), in which case they are not invalidated.

Indice

[modifica] Parametri

pos -
iteratore prima che il nuovo elemento sarà costruito
Original:
iterator before which the new element will be constructed
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args -
argomenti da inoltrare al costruttore dell'elemento
Original:
arguments to forward to the constructor of the element
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[modifica] Valore di ritorno

Iteratore che punta all'elemento in posto.
Original:
Iterator pointing to the emplaced element.
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[modifica] Complessità

Linear in the lesser of the distances between pos and either of the ends of the container.

[modifica] Eccezioni

Se viene generata un'eccezione (ad esempio dal costruttore), il contenitore viene lasciato invariato, come se questa funzione non è mai stata chiamata (garanzia eccezione forte).
Original:
If an exception is thrown (e.g. by the constructor), the container is left unmodified, as if this function was never called (strong exception guarantee).
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[modifica] Vedi anche
inserti di elementi
Original:
inserts elements
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(metodo pubblico) [modifica]
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