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std::unordered_multimap – cppreference.com

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definiert in Header

<unordered_map>

template< class Key, class T, class Hash = std::hash<Key>, class KeyEqual = std::equal_to<Key>, class Allocator = std::allocator< std::pair<const Key, T> > > class unordered_multimap;

 (seit C++11)

Ungeordnete multimap ist eine ungeordnete assoziativen Container, die äquivalent Schlüssel (ein unordered_multimap können mehrere Kopien jeder Schlüsselwert enthalten) und daß assoziierten Werte eines anderen Typs mit den Schlüsseln unterstützt. Die unordered_multimap Klasse unterstützt uns Iteratoren. Suchen, Einfügung und Entfernung haben mittlere konstanter Zeit Komplexität .

Original:

Unordered multimap is an unordered associative container that supports equivalent keys (an unordered_multimap may contain multiple copies of each key value) and that associates values of another type with the keys. The unordered_multimap class supports forward iterators. Search, insertion, and removal have average constant-time complexity.

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std::unordered_multimap erfüllt die Anforderungen der Container, AllocatorAwareContainer, UnorderedAssociativeContainer .

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Mitglied Typen

Mitglied Typ

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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 vorzeichenloser ganzzahliger Typ (in der Regel size_t)[edit]
difference_type vorzeichenbehafteter Typ (usually ptrdiff_t) [edit]
hasher Hash [edit]
key_equal KeyEqual [edit]
allocator_type Allocator [edit]
reference value_type& [edit]
const_reference const value_type& [edit]
pointer std::allocator_traits<Allocator>::pointer [edit]
const_pointer std::allocator_traits<Allocator>::const_pointer [edit]
iterator ForwardIterator [edit]
const_iterator

Constant Forward-Iterator

Original:

Constant forward iterator

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[edit]
local_iterator

Ein Iterator Typ, dessen Kategorie,, Differenz, Zeiger and
Referenztypen sind die gleichen wie iterator. Diese iterator
können verwendet werden, um durch einen einzigen Eimer, aber nicht über Eimern durchlaufen werden

Original:

An iterator type whose category, value, difference, pointer and
reference types are the same as iterator. This iterator
can be used to iterate through a single bucket but not across buckets

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[edit]
const_local_iterator

Ein Iterator Typ, dessen Kategorie,, Differenz, Zeiger and
Referenztypen sind die gleichen wie const_iterator. Diese iterator
können verwendet werden, um durch einen einzigen Eimer, aber nicht über Eimern durchlaufen werden

Original:

An iterator type whose category, value, difference, pointer and
reference types are the same as const_iterator. This iterator
can be used to iterate through a single bucket but not across buckets

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[edit]

Member-Funktionen

konstruiert die unordered_multimap
(öffentliche Elementfunktion) [edit]
zerstört die unordered_multimap
(öffentliche Elementfunktion) [edit]

weist Werte auf den Behälter

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assigns values to the container

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(öffentliche Elementfunktion) [edit]
liefert den zugehörigen Allocator
(öffentliche Elementfunktion) [edit]

Iteratoren

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Iterators

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liefert einen Iterator an den Anfang

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returns an iterator to the beginning

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(öffentliche Elementfunktion) [edit]

liefert einen Iterator bis zum Ende

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returns an iterator to the end

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(öffentliche Elementfunktion) [edit]

Kapazität

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Capacity

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prüft, ob der Container leer ist

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checks whether the container is empty

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(öffentliche Elementfunktion) [edit]

liefert die Anzahl der Elemente

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returns the number of elements

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(öffentliche Elementfunktion) [edit]

gibt die maximal mögliche Anzahl von Elementen

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returns the maximum possible number of elements

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(öffentliche Elementfunktion) [edit]

Modifiers

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Modifiers

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löscht den Inhalt

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clears the contents

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(öffentliche Elementfunktion) [edit]

Elemente einfügen

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inserts elements

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(öffentliche Elementfunktion) [edit]
constructs element in-place
(öffentliche Elementfunktion) [edit]

baut Elemente in-place mit einem Hinweis

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constructs elements in-place using a hint

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(öffentliche Elementfunktion) [edit]

löscht Elemente

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erases elements

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(öffentliche Elementfunktion) [edit]

tauscht die Inhalte

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swaps the contents

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(öffentliche Elementfunktion) [edit]

Lookup

Original:

Lookup

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liefert die Anzahl der Elemente zu einem Schlüssel

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returns the number of elements matching specific key

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(öffentliche Elementfunktion) [edit]

findet Element mit bestimmten Schlüssel

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finds element with specific key

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(öffentliche Elementfunktion) [edit]

Bandbreite der Rendite von Elementen übereinstimmenden eine bestimmte Taste

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returns range of elements matching a specific key

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(öffentliche Elementfunktion) [edit]

Eimer Schnittstelle

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Bucket interface

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liefert einen Iterator auf den Anfang des angegebenen Eimer

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returns an iterator to the beginning of the specified bucket

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(öffentliche Elementfunktion) [edit]

liefert einen Iterator auf das Ende des angegebenen Eimer

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returns an iterator to the end of the specified bucket

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(öffentliche Elementfunktion) [edit]

gibt die Anzahl von Eimern

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returns the number of buckets

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(öffentliche Elementfunktion) [edit]
returns the maximum number of buckets
(öffentliche Elementfunktion) [edit]

gibt die Anzahl der Elemente in bestimmten Eimer

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returns the number of elements in specific bucket

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(öffentliche Elementfunktion) [edit]

gibt den Eimer für bestimmte Taste

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returns the bucket for specific key

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(öffentliche Elementfunktion) [edit]

Hash Politik

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Hash policy

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kehrt durchschnittliche Anzahl von Elementen pro Eimer

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returns average number of elements per bucket

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(öffentliche Elementfunktion) [edit]

verwaltet maximale Anzahl von Elementen pro Eimer

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manages maximum average number of elements per bucket

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(öffentliche Elementfunktion) [edit]
reserves at least the specified number of buckets.
This regenerates the hash table.
(öffentliche Elementfunktion) [edit]
reserviert Platz für mindestens die angegebene Anzahl von Elementen.
Dies erzeugt die Hash-Tabelle neu.
(öffentliche Elementfunktion) [edit]

Beobachter

Original:

Observers

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Renditen funktionieren zur Hash der Schlüssel

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returns function used to hash the keys

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(öffentliche Elementfunktion) [edit]

gibt die Funktion verwendet, um Schlüssel für die Gleichstellung zu vergleichen

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returns the function used to compare keys for equality

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(öffentliche Elementfunktion) [edit]

Non-Member-Funktionen

vergleicht die Werte im unordered_multimap

Original:

compares the values in the unordered_multimap

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(Funktions-Template) [edit]

spezialisiert die std::swap Algorithmus

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specializes the std::swap algorithm

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(Funktions-Template) [edit]