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std::promise::get_future

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< cpp‎ | thread‎ | promise

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C++
 
Biblioteca de suporte a discussão
Threads
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Threads
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(C++11)
this_thread namespace
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this_thread namespace
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(C++11)
(C++11)
(C++11)
(C++11)
Exclusão mútua
Original:
Mutual exclusion
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(C++11)
(C++11)
Gestão de bloqueio genérico
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Generic lock management
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(C++11)
(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
(C++11)(C++11)(C++11)
Variáveis ​​de condição
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Condition variables
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(C++11)
(C++11)
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(C++11)
Futuros
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Futures
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(C++11)
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std::promise
Funções de membro
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Member functions
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promise::promise
promise::~promise
promise::operator=
promise::swap
Obtendo o resultado
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Getting the result
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promise::get_future
Definir o resultado
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Setting the result
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promise::set_value
promise::set_value_at_thread_exit
promise::set_exception
promise::set_exception_at_thread_exit
 
std::future<R> get_future();
 (desde C++11)
Retorna um objeto futuro associado com o mesmo estado compartilhado como *this.
Original:
Returns a future object associated with the same shared state as *this.
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Exceção é lançada se *this não tem estado compartilhado ou get_future já foi chamado.
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Exception is thrown if *this has no shared state or get_future has already been called.
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[editar] Parâmetros

(Nenhum)
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(none)
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[editar] Valor de retorno

Um futuro referindo-se ao estado compartilhado de *this
Original:
A future referring to the shared state of *this
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[editar] Exceções

std::future_error com as seguintes condições:
Original:
std::future_error on the following conditions:
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  • *this não tem estado compartilhado. A categoria de erro é definido para no_state.
    Original:
    *this has no shared state. The error category is set to no_state.
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  • get_future() já foi chamado em uma promessa com o mesmo estado compartilhado como *this. A categoria de erro é definido para future_already_retrieved.
    Original:
    get_future() has already been called on a promise with the same shared state as *this. The error category is set to future_already_retrieved.
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