Espaços nominais
Variantes
Acções

std::get(std::array)

Da cppreference.com
< cpp‎ | container‎ | array

This page has been machine-translated from the English version of the wiki using Google Translate.

The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

Click here for the English version of this page

 
C++
 
Recipientes biblioteca
 
std::array
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.
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.
array::at
array::operator[]
array::front
array::back
array::data
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.
array::begin
array::cbegin
array::end
array::cend
array::rbegin
array::crbegin
array::rend
array::crend
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.
array::empty
array::size
array::max_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.
array::fill
array::swap
Não-membros funções
Original:
Non-member functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
get
Classes auxiliares
Original:
Helper classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
 
template<size_t I, class T, size_t N >
T& get( array<T,N>& a );
 (1) (desde C++11)
template<size_t I, class T, size_t N >
T&& get( array<T,N>&& a );
 (2) (desde C++11)
template<size_t I, class T, size_t N >
const T& get( const array<T,N>& a );
 (3) (desde C++11)
Extrai o elemento elemento Ith da matriz.
Original:
Extracts the Ith element element from the array.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
I deve ser um valor inteiro em [0, N) alcance. Esta é aplicada em tempo de compilação ao invés de at() ou operator[]().
Original:
I must be an integer value in range [0, N). This is enforced at compile time as opposed to at() or operator[]().
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Índice

[editar] Parâmetros

a -
matriz cujos conteúdos para extrair
Original:
array whose contents to extract
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[editar] Valor de retorno

1)
Referência para o elemento de Ith a.
Original:
Reference to the Ith element of a.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
2)
Rvalue referência para o elemento de Ith a, a menos que o elemento é de lvalue tipo de referência, neste caso, é devolvido lvalue referência.
Original:
Rvalue reference to the Ith element of a, unless the element is of lvalue reference type, in which case lvalue reference is returned.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
3)
Const referência ao elemento Ith de a.
Original:
Const reference to the Ith element of a.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[editar] Exceções

noexcept specification:  
noexcept
  (desde C++11)

[editar] Exemplo

#include <iostream>
#include <array>
 
int main()
{
    std::array<int, 3> arr;
 
    // set values:
    std::get<0>(arr) = 1;
    std::get<1>(arr) = 2;
    std::get<2>(arr) = 3;
 
    // get values:
    std::cout << "(" << std::get<0>(arr) << ", " << std::get<1>(arr)
              << ", " << std::get<2>(arr) << ")\n";
}

Saída: 

(1, 2, 3)

[editar] Veja também
acessar o elemento especificado
Original:
access specified element
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) [edit]
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) [edit]
tupla acessa elemento especificado
Original:
tuple accesses specified element
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(modelo de função) [edit]
(C++11)
acede a um elemento de um pair
Original:
accesses an element of a pair
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(modelo de função) [edit]
Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/container/array/get&oldid=20105"