std::array::operator[]

 

C++

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std::array

Las funciones miembro 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.

Elemento acceso 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

Los 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

Capacidad 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

Terceros funciones 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

swap

Clases de ayuda 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.

tuple_size

tuple_element

 

reference       operator[]( size_type pos );		(desde C++11)
const_reference operator[]( size_type pos ) const;		(desde C++11)

Devuelve una referencia al elemento en pos ubicación especificada. Sin comprobación de límites se realiza .

Original:

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

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Parámetros

pos

-

la posición del elemento para volver 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

referencia para el elemento solicitado

Original:

reference to the requested element

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Complejidad

Constant

Original:

Constant

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Ejemplo

El código siguiente utiliza operator[] leer y escribir en un std::array<int>:

Original:

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

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#include <array>
#include <iostream>
 
int main()
{
    std::array<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';
}

Output:

Second element: 4
All numbers: 5 4 6 8

Ver también

at	acceder al elemento especificado con comprobación de límites 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. (miembro público función)