std::move
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| Defined in header <algorithm>
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| template< class InputIt, class OutputIt > OutputIt move( InputIt first, InputIt last, OutputIt d_first ); |
(desde C++11) | |
[first, last), a otro principio rango en d_first. Después de esta operación, los elementos de la serie se trasladó, desde seguirá conteniendo los valores válidos del tipo adecuado, pero no necesariamente los mismos valores que antes de la mudanza .[first, last), to another range beginning at d_first. After this operation the elements in the moved-from range will still contain valid values of the appropriate type, but not necessarily the same values as before the move.You can help to correct and verify the translation. Click here for instructions.
Contenido |
[editar] Parámetros
| first, last | - | la gama de elementos a mover
Original: the range of elements to move The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
| d_first | - | el comienzo del rango de destino. Si está dentro de d_first [first, last), std::move_backward debe ser utilizado en lugar de NJ std :: move </ span> . Original: the beginning of the destination range. If d_first is within [first, last), std::move_backward must be used instead of NJ std :: move </ span>. </div>The text has been machine-translated via Google Translate. </div></div></div></div>
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| Type requirements | ||
-InputIt must meet the requirements of InputIterator.
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-OutputIt must meet the requirements of OutputIterator.
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[editar] Valor de retorno
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[editar] Complejidad
last - first mover asignaciones .last - first move assignments.You can help to correct and verify the translation. Click here for instructions.
[editar] Posible implementación
template<class InputIt, class OutputIt> OutputIt move(InputIt first, InputIt last, OutputIt d_first) { while (first != last) { *d_first++ = std::move(*first++); } return d_first; } |
[editar] Ejemplo
El siguiente código mueve objetos hilo (que en sí no son copiables) de un recipiente a otro. </ p>
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#include <iostream>
#include <vector>
#include <list>
#include <iterator>
#include <thread>
#include <chrono>
void f(int n)
{
std::this_thread::sleep_for(std::chrono::seconds(n));
std::cout << "thread " << n << " ended" << '\n';
}
int main()
{
std::vector<std::thread> v;
v.emplace_back(f, 1);
v.emplace_back(f, 2);
v.emplace_back(f, 3);
std::list<std::thread> l;
// copy() would not compile, because std::thread is noncopyable
std :: move </ span>(v.begin(), v.end(), std::back_inserter(l));
for(auto& t : l) t.join();
}
</div>
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thread 1 ended thread 2 ended thread 3 ended
[editar] Ver también
| (C++11) |
mueve una serie de elementos a una nueva ubicación para atrás Original: moves a range of elements to a new location in backwards order The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (función de plantilla) |
