std::uninitialized_fill_n - cppreference.com
De cppreference.com
<metanoindex/>
<tbody> </tbody>
| Definido no cabeçalho <memory> |
||
|
|
||
Copies the given value value to the first count elements in an uninitialized memory area beginning at first. The elements in the uninitialized area are constructed using copy constructor.
Parâmetros
| first | - | the beginning of the range of the elements to initialize |
| count | - | number of elements to construct |
| value | - | o valor para a construção dos elementos de Original: the value to construct the elements with The text has been machine-translated via Google Translate. |
| Type requirements | ||
-ForwardIt must meet the requirements of ForwardIterator.
| ||
Valor de retorno
Iterador para o elemento passado o último elemento copiado.
Original:
Iterator to the element past the last element copied.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Complexidade
Linear em count
Original:
Linear in count
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Possível implementação
template< class ForwardIt, class Size, class T > void uninitialized_fill_n(ForwardIt first, Size count const T& value) { typedef typename std::iterator_traits<ForwardIt>::value_type Value; for (; count > 0; ++first, --count) { ::new (static_cast<void*>(&*first)) Value(value); } return first; }
Exemplo
Veja também
copia um objeto para uma área de memória não inicializada Original: copies an object to an uninitialized area of memory The text has been machine-translated via Google Translate. (modelo de função) [edit] | |