Namespace
Varianti

std::map

Da cppreference.com.
< cpp‎ | container


 
 
 
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
 
Defined in header <map>
template<

    class Key,
    class T,
    class Compare = std::less<Key>,
    class Allocator = std::allocator<std::pair<const Key, T> >

> class map;
std::map è un contenitore ordinato associativo che contiene coppie chiave-valore con chiavi univoche. Le chiavi vengono ordinati utilizzando la funzione di confronto Compare. Operazioni di ricerca, di rimozione, e l'inserimento hanno complessità logaritmica. Le mappe sono generalmente implementati come alberi red-black.
Original:
std::map is a sorted associative container that contains key-value pairs with unique keys. Keys are sorted by using the comparison function Compare. Search, removal, and insertion operations have logarithmic complexity. Maps are usually implemented as alberi red-black.
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std::map soddisfi i requisiti di Container, AllocatorAwareContainer, AssociativeContainer e ReversibleContainer.
Original:
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Indice

[modifica] Membri tipi

Membro tipo
Original:
Member type
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Definition
key_type Key [edit]
mapped_type T [edit]
value_type std::pair<const Key, T> [edit]
size_type
Unsigned tipo integrale (di solito size_t)
Original:
Unsigned integral type (usually size_t)
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[edit]
difference_type Signed integer type (usually ptrdiff_t) [edit]
key_compare Compare [edit]
allocator_type Allocator [edit]
reference Allocator::reference (C fino + 11)
value_type& (dal C++11) [edit]
const_reference Allocator::const_reference (C fino + 11)
const value_type& (dal C++11) [edit]
pointer Allocator::pointer (C fino + 11)
std::allocator_traits<Allocator>::pointer (dal C++11) [edit]
const_pointer Allocator::const_pointer (C fino + 11)
std::allocator_traits<Allocator>::const_pointer (dal C++11) [edit]
iterator BidirectionalIterator [edit]
const_iterator
Costante iteratore bidirezionale
Original:
Constant bidirectional iterator
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[edit]
reverse_iterator std::reverse_iterator<iterator> [edit]
const_reverse_iterator std::reverse_iterator<const_iterator> [edit]

[modifica] Membri classi

confronta gli oggetti di tipo value_type
Original:
compares objects of type value_type
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(classe) [edit]

[modifica] Membri funzioni

costruisce il map
Original:
constructs the map
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(membro pubblico funzione) [edit]
destructs the map
(membro pubblico funzione) [edit]
assegna valori al contenitore
Original:
assigns values to the container
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(membro pubblico funzione) [edit]
restituisce l'allocatore associato
Original:
returns the associated allocator
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(membro pubblico funzione) [edit]
Elemento accesso
Original:
Element access
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(C++11)
accedere elemento specificato con verifica dei limiti
Original:
access specified element with bounds checking
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(membro pubblico funzione) [edit]
accedere elemento specificato
Original:
access specified element
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(membro pubblico funzione) [edit]
Iteratori
Original:
Iterators
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restituisce un iteratore all'inizio
Original:
returns an iterator to the beginning
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(membro pubblico funzione) [edit]
restituisce un iteratore fino alla fine
Original:
returns an iterator to the end
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(membro pubblico funzione) [edit]
restituisce un iteratore inverso all'inizio
Original:
returns a reverse iterator to the beginning
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(membro pubblico funzione) [edit]
restituisce un iteratore inverso alla fine
Original:
returns a reverse iterator to the end
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(membro pubblico funzione) [edit]
Capacità
Original:
Capacity
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verifica se il contenitore è vuoto
Original:
checks whether the container is empty
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(membro pubblico funzione) [edit]
restituisce il numero di elementi
Original:
returns the number of elements
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(membro pubblico funzione) [edit]
restituisce il massimo numero possibile di elementi
Original:
returns the maximum possible number of elements
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(membro pubblico funzione) [edit]
Modificatori
Original:
Modifiers
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cancella il contenuto
Original:
clears the contents
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(membro pubblico funzione) [edit]
inserti di elementi
Original:
inserts elements
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(membro pubblico funzione) [edit]
(C++11)
constructs element in-place
(membro pubblico funzione) [edit]
costruisce elementi in-place con un suggerimento
Original:
constructs elements in-place using a hint
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(membro pubblico funzione) [edit]
cancella elementi
Original:
erases elements
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(membro pubblico funzione) [edit]
swap il contenuto
Original:
swaps the contents
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(membro pubblico funzione) [edit]
Lookup
Original:
Lookup
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restituisce il numero di elementi corrispondenti chiave specifica
Original:
returns the number of elements matching specific key
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(membro pubblico funzione) [edit]
trova elemento con chiave specifica
Original:
finds element with specific key
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(membro pubblico funzione) [edit]
torna gamma di elementi che corrispondono un tasto specifico
Original:
returns range of elements matching a specific key
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(membro pubblico funzione) [edit]
restituisce un iteratore al primo elemento' non inferiore al valore dato
Original:
returns an iterator to the first element not less than the given value
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(membro pubblico funzione) [edit]
ritorna un iteratore al primo elemento' maggiore di un certo valore
Original:
returns an iterator to the first element greater than a certain value
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(membro pubblico funzione) [edit]
Osservatori
Original:
Observers
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restituisce la funzione che confronta le chiavi
Original:
returns the function that compares keys
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(membro pubblico funzione) [edit]
restituisce la funzione che confronta le chiavi in ​​oggetti di tipo value_type
Original:
returns the function that compares keys in objects of type value_type
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(membro pubblico funzione) [edit]

[modifica] Non membri funzioni

lessicografico confronta i valori nella map
Original:
lexicographically compares the values in the map
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(funzione di modello) [edit]
specializzata l'algoritmo std::swap
Original:
specializes the std::swap algorithm
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(funzione di modello) [edit]