std::array::operator[]
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reference operator[]( size_type pos ); | (desde C++11) | |
const_reference operator[]( size_type pos )const; | (desde C++11) | |
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.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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Índice |
[editar]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. |
[editar]Valor de retorno
referência ao elemento solicitado
Original:
reference to the requested element
The text has been machine-translated via Google Translate.
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[editar]Complexidade
Constante
Original:
Constant
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[editar]Exemplo
O código a seguir usa
operator[] ler e escrever para um std::array<int>: Original:
The following code uses
operator[] read from and write to a std::array<int>: The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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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';}
Saída:
Second element: 4 All numbers: 5 4 6 8
[editar]Veja também
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) | |
