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      std::packaged_task::get_future

      Da cppreference.com

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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)
      Variáveis ​​de condição
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      Condition variables
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      (C++11)
      (C++11)
      (C++11)
      (C++11)
      Futuros
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      Futures
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      (C++11)
      (C++11)
      (C++11)
      (C++11)
      (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
       
      std::future<R> get_future();
      		(desde C++11)
      Retorna uma future que compartilha o mesmo estado compartilhado como *this.
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      Returns a future which shares the same shared state as *this.
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      get_future pode ser chamado apenas uma vez para cada packaged_task.
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      get_future can be called only once for each packaged_task.
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      [editar]Parâmetros

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

      Um futuro que compartilha o mesmo estado compartilhado como *this.
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      A future which shares the same shared state as *this.
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      [editar]Exceções

      std::future_error sobre as condições de erro seguintes:
      Original:
      std::future_error on the following error conditions:
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      • O estado compartilhado já foi recuperada através de uma chamada para get_future. A categoria de erro é definido para future_already_retrieved.
        Original:
        The shared state has already been retrieved via a call to get_future. The error category is set to future_already_retrieved.
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      • *this não tem estado compartilhado. A categoria de erro é definido para no_state.
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        *this has no shared state. The error category is set to no_state.
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