Namespace
Varianti

std::map::emplace_hint

Da cppreference.com.
< cpp‎ | container‎ | map

 
 
 
std::map
Membri funzioni
Original:
Member functions
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map::map
map::~map
map::operator=
map::get_allocator
Elemento accesso
Original:
Element access
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map::at
map::operator[]
Iteratori
Original:
Iterators
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map::begin
map::cbegin

(C++11)
map::end
map::cend

(C++11)
map::rbegin
map::crbegin

(C++11)
map::rend
map::crend

(C++11)
Capacità
Original:
Capacity
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map::empty
map::size
map::max_size
Modificatori
Original:
Modifiers
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map::clear
map::insert
map::emplace(C++11)
map::emplace_hint(C++11)
map::erase
map::swap
Lookup
Original:
Lookup
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map::count
map::find
map::equal_range
map::lower_bound
map::upper_bound
Osservatori
Original:
Observers
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map::key_comp
map::value_comp
 
template <class... Args>
iterator emplace_hint( const_iterator hint, Args&&... args );
(dal C++11)
Inserisce un nuovo elemento al contenitore, utilizzando hint come un suggerimento in cui l'elemento dovrebbe andare. L'elemento è costruito sul posto, cioè non copia o operazioni di spostamento vengono eseguite. The constructor of the element type (value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....
Original:
Inserts a new element to the container, using hint as a suggestion where the element should go. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element type (value_type, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....
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No iterators or references are invalidated.

Indice

[modifica] Parametri

hint -
iteratore, usato come un suggerimento di dove inserire il nuovo elemento
Original:
iterator, used as a suggestion as to where to insert the new element
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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

Restituisce un iteratore all'elemento appena inserito.
Original:
Returns an iterator to the newly inserted element.
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If the insertion failed because the element already exists, returns an iterator to the already existing element with the equivalent key.

[modifica] Complessità

Logarithmic in the size of the container in general, but amortized constant if the new element is inserted just before hint.

[modifica] Vedi anche

(C++11)
constructs element in-place
(membro pubblico funzione) [edit]
inserti di elementi
Original:
inserts elements
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(membro pubblico funzione) [edit]