std::queue::queue

<metanoindex/>

 

C++

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Linguagem

Headers da Biblioteca Standard

Requerimentos nomeados

Feature test macros (C++20)

Biblioteca de suporte de língua

Biblioteca de conceitos (C++20)

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Ranges library (C++20)

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Especificações Técnicas

Índice de symbolos

Bibliotecas externas

 

Recipientes biblioteca

array (C++11)

vector

deque

forward_list (C++11)

list

set

multiset

map

multimap

unordered_set (C++11)

unordered_multiset (C++11)

unordered_map (C++11)

unordered_multimap (C++11)

stack

queue

priority_queue

 

std :: fila

Funções de membro Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

queue::queue

queue::~queue

queue::operator=

acesso. Elemento Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

queue::front

queue::back

Capacidade Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

queue::empty

queue::size

Modificadores Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

queue::push

queue::emplace

queue::pop

queue::swap

 

<tbody> </tbody>

explicit queue( const Container& cont = Container() ); explicit queue( const Container& cont );	(1)	(até C++11) (desde C++11)
explicit queue( Container&& cont = Container() );	(2)	(desde C++11)
queue( const queue& other );	(3)
queue( queue&& other );	(4)	(desde C++11)
template< class Alloc > explicit queue( const Alloc& alloc );	(5)	(desde C++11)
template< class Alloc > queue( const Container& cont, const Alloc& alloc );	(6)	(desde C++11)
template< class Alloc > queue( Container&& cont, const Alloc& alloc );	(7)	(desde C++11)
template< class Alloc > queue( const queue& other, const Alloc& alloc );	(8)	(desde C++11)
template< class Alloc > queue( queue&& other, const Alloc& alloc );	(9)	(desde C++11)

Constrói recipiente subjacente do novo adaptador de recipiente a partir de uma variedade de fontes de dados.

Original:

Constructs new underlying container of the container adaptor from a variety of data sources.

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1)

Copiar-constrói o recipiente subjacente c com o conteúdo de cont. Este é também o (até C++11) construtor padrão

Original:

Copy-constructs the underlying container c with the contents of cont. This is also the default constructor (até C++11)

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2)

Mover-constrói o recipiente subjacente c com std::move(cont). Este é também o (desde C++11) construtor padrão

Original:

Move-constructs the underlying container c with std::move(cont). This is also the default constructor (desde C++11)

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3)

Copie construtor. O adaptador é construído de cópia com o conteúdo de other.c. (declarada implicitamente)

Original:

Copy constructor. The adaptor is copy-constructed with the contents of other.c. (declarada implicitamente)

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4)

Mova construtor. O adaptador é construído com std::move(other.c). (declarada implicitamente)

Original:

Move constructor. The adaptor is constructed with std::move(other.c). (declarada implicitamente)

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5-9)

Os construtores seguintes são definidos apenas se std::uses_allocator<container_type, Alloc>::value == true, isto é, se o contêiner subjacente é um recipiente alocador-aware (válido para todos os contêineres da biblioteca padrão).

Original:

The following constructors are only defined if std::uses_allocator<container_type, Alloc>::value == true, that is, if the underlying container is an allocator-aware container (true for all standard library containers).

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5)

Constrói o recipiente subjacente usando alloc como alocador. Efetivamente chama c(alloc).

Original:

Constructs the underlying container using alloc as allocator. Effectively calls c(alloc).

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6)

Constrói o recipiente subjacente com o conteúdo de cont e utilizando como alloc alocador. Efetivamente chama c(cont, alloc).

Original:

Constructs the underlying container with the contents of cont and using alloc as allocator. Effectively calls c(cont, alloc).

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7)

Constrói o recipiente subjacente com o conteúdo de cont usando semântica mover enquanto utilizando alloc como alocador. Efetivamente chama c(std::move(cont), alloc).

Original:

Constructs the underlying container with the contents of cont using move semantics while utilising alloc as allocator. Effectively calls c(std::move(cont), alloc).

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8)

Constrói o adaptador com o conteúdo de other.c e utilizando como alloc alocador. Efetivamente chama c(athor.c, alloc).

Original:

Constructs the adaptor with the contents of other.c and using alloc as allocator. Effectively calls c(athor.c, alloc).

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9)

Constrói o adaptador com o conteúdo de other usando semântica mover enquanto utilizando alloc como alocador. Efetivamente chama c(std::move(other.c), alloc).

Original:

Constructs the adaptor with the contents of other using move semantics while utilising alloc as allocator. Effectively calls c(std::move(other.c), alloc).

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Parâmetros

alloc	-	alocador de usar para todas as alocações de memória do recipiente subjacente Original: allocator to use for all memory allocations of the underlying container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
other	-	outro adaptador de recipiente a ser utilizado como fonte para inicializar o recipiente subjacente Original: another container adaptor to be used as source to initialize the underlying container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
cont	-	recipiente para ser utilizado como fonte para inicializar o recipiente subjacente Original: container to be used as source to initialize the underlying container The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
first, last	-	intervalo de elementos para inicializar com Original: range of elements to initialize with The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.
Type requirements
- Alloc must meet the requirements of Allocator.
- Container must meet the requirements of Container. The constructors (5-10) are only defined if Container meets the requirements of AllocatorAwareContainer
- InputIt must meet the requirements of InputIterator.

Complexidade

1, 3, 5, 6, 8: linear em cont ou other

Original:

1, 3, 5, 6, 8: linear in cont or other

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2, 4, 7, 9: constante

Original:

2, 4, 7, 9: constant

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Exemplo

#include <queue>
#include <deque>
#include <iostream>

int main()
{
    std::queue<int> c1;
    c1.push(5);
    std::cout << c1.size() << '\n';

    std::queue<int> c2(c1);
    std::cout << c2.size() << '\n';
 
    std::deque<int> deq {3, 1, 4, 1, 5};
    std::queue<int> c3(deq);
    std::cout << c3.size() << '\n';
}

Saída:

1
1
5

Veja também

operator=	atribui valores ao adaptador de recipiente Original: assigns values to the container adaptor The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro)