std::uninitialized_copy
Da cppreference.com
![]() |
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. |
Definido no cabeçalho <memory>
|
||
template< class InputIt, class ForwardIt > ForwardIt uninitialized_copy( InputIt first, InputIt last, ForwardIt d_first ); |
||
Cópias elementos da
[first, last)
intervalo para um começo memória não inicializada área no d_first
. Os elementos na área não inicializado são construídos usando construtor de cópia.Original:
Copies elements from the range
[first, last)
to an uninitialized memory area beginning at d_first
. The elements in the uninitialized area are constructed using copy constructor.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
Índice |
[editar] Parâmetros
first, last | - | a gama de elementos de copiar
Original: the range of the elements to copy The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
d_first | - | o início do intervalo de destino
Original: the beginning of the destination range The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
Type requirements | ||
-InputIt must meet the requirements of InputIterator .
| ||
-ForwardIt must meet the requirements of ForwardIterator .
|
[editar] 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.
You can help to correct and verify the translation. Click here for instructions.
[editar] Complexidade
Linear da distância entre
first
e last
Original:
Linear in the distance between
first
and last
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[editar] Possível implementação
template<class InputIt, class ForwardIt> ForwardIt uninitialized_copy(InputIt first, InputIt last, ForwardIt d_first) { typedef typename std::iterator_traits<ForwardIt>::value_type Value; for (; first != last; ++first, ++d_first) { ::new (static_cast<void*>(&*d_first)) Value(*first); } return d_first; } |
[editar] Exemplo
Esta seção está incompleta Motivo: sem exemplo |
[editar] Veja também
(C++11) |
copia uma série de objetos para uma área de memória não inicializada Original: copies a number of objects to an uninitialized area of memory 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) |