std::deque::operator[]

 

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array (C++11)

vector

deque

forward_list (C++11)

list

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std :: deque

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.

deque::deque

deque::~deque

deque::operator=

deque::assign

deque::get_allocator

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.

deque::front

deque::back

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

deque::begin deque::cbegin (C++11)

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

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

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

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.

deque::empty

deque::size

deque::max_size

deque::shrink_to_fit

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.

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

 

reference       operator[]( size_type pos );
const_reference operator[]( size_type pos )const;

Devolve uma referência para o elemento em pos local especificado. Nenhuma verificação de limites é realizado.

Original:

Returns a reference to the element at specified location pos. No bounds checking is performed.

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Parâmetros

pos

-

posição do elemento de voltar Original: position of the element to return The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

Valor de retorno

referência ao elemento solicitado

Original:

reference to the requested element

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Complexidade

Constante

Original:

Constant

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Exemplo

O código a seguir usa operator[] ler e escrever para um std::deque<int>:

Original:

The following code uses operator[] read from and write to a std::deque<int>:

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#include <deque>#include <iostream>   int main(){std::deque<int> numbers {2, 4, 6, 8};   std::cout<<"Second element: "<< numbers[1]<<'\n';   numbers[0]=5;   std::cout<<"All numbers:";for(auto i : numbers){std::cout<<' '<< i;}std::cout<<'\n';}

Saída:

Second element: 4 All numbers: 5 4 6 8

Veja também

at	acessar o elemento especificado com verificação de limites Original: access specified element with bounds checking 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)