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std::packaged_task::operator=

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Biblioteca de suporte a discussão
Threads
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Threads
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thread(C++11)
this_thread namespace
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this_thread namespace
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get_id(C++11)
yield(C++11)
sleep_for(C++11)
sleep_until(C++11)
Exclusão mútua
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Gestão de bloqueio genérico
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Generic lock management
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lock_guard(C++11)
unique_lock(C++11)
defer_lock_t
try_to_lock_t
adopt_lock_t
(C++11)
(C++11)
(C++11)
lock(C++11)
try_lock(C++11)
defer_lock
try_to_lock
adopt_lock
(C++11)
(C++11)
(C++11)
Variáveis ​​de condição
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Condition variables
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condition_variable(C++11)
condition_variable_any(C++11)
notify_all_at_thread_exit(C++11)
cv_status(C++11)
Futuros
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Futures
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promise(C++11)
future(C++11)
shared_future(C++11)
packaged_task(C++11)
async(C++11)
launch(C++11)
future_status(C++11)
future_error(C++11)
future_category(C++11)
future_errc(C++11)
 
std::packaged_task
Funções de membro
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Member functions
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packaged_task::packaged_task
packaged_task::~packaged_task
packaged_task::operator=
packaged_task::valid
packaged_task::swap
Obtendo o resultado
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Getting the result
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packaged_task::get_future
Execução
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Execution
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packaged_task::operator()
packaged_task::make_ready_at_thread_exit
packaged_task::reset
 
packaged_task& operator=(const packaged_task&) = delete;
(1)
packaged_task& operator=(packaged_task&& rhs)
(2)
1)
Operador de atribuição de cópia é apagado, std::packaged_task é jogada somente.
Original:
Copy assignment operator is deleted, std::packaged_task is move-only.
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Nota: C + 11 não especifica const aqui, este é o defect 2067.
Original:
Note: C++11 does not specify const here, this is the defect 2067.
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2)
Libera o estado compartilhado, se for o caso, destrói a tarefa anteriormente realizada, e move o estado compartilhado ea tarefa de propriedade da rhs em *this. rhs fica sem um estado compartilhado e com uma tarefa movida-de.
Original:
Releases the shared state, if any, destroys the previously-held task, and moves the shared state and the task owned by rhs into *this. rhs is left without a shared state and with a moved-from task.
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[editar] Parâmetros

rhs -
o std::packaged_task para mover de
Original:
the std::packaged_task to move from
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[editar] Exceções

2)
noexcept specification:  
noexcept
  (a partir do C++ 11)

[editar] Exemplo