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      std::promise::get_future

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      <metanoindex/>

       
      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
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      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)
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      (C++11)
      (C++11)(C++11)(C++11)
      Variáveis ​​de condição
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      Condition variables
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      (C++11)
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      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
       
      <tbody> </tbody>
      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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      Parâmetros

      (Nenhum)
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      (none)
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      Valor de retorno

      Um futuro referindo-se ao estado compartilhado de *this
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      A future referring to the shared state of *this
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      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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