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      std::future_errc

      Da cppreference.com
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      Threads
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      this_thread namespace
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      this_thread namespace
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      Mutual exclusion
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      Gestão de bloqueio genérico
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      Generic lock management
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      Futuros
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      Futures
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      future_errc
      (C++11)
       
      std::future_errc
      Classes auxiliares
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      Helper classes
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      Não-membros funções
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      Non-member functions
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      Definido no cabeçalho <ios>
      enumclass future_errc {

          broken_promise,
          future_already_retrieved,
          promise_already_satisfied,
          no_state

      };
      		(desde C++11)

      The scoped enumeration std::future_errc defines the error codes reported by std::future and related classes in std::future_error exception objects. Only four error codes are required, although the implementation may define additional error codes. Because the appropriate specialization of std::is_error_code_enum is provided, values of type std::future_errc are implicitly convertible to std::error_code.

      Índice

      [editar]Constantes de membros

      Constante
      Original:
      Constant
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      		 Explanation
      broken_promise the asynchronous task abandoned its shared state
      future_already_retrieved the contents of shared state were already accessed through std::future
      promise_already_satisfied attempt to store a value in the shared state twice
      no_state attempt to access std::promise or std::future without an associated shared state

      [editar]Classes auxiliares

      (C++11)
      		 extends the type trait std::is_error_code_enum to identify future error codes
      (modelo de classe)

      [editar]Não-membros funções

      (C++11)
      		 constructs a future error code
      (função)
      (C++11)
      		 constructs a future error_condition
      (função)

      [editar]Exemplo

      Esta seção está incompleta
      Motivo: sem exemplo

      [editar]Veja também

      (C++11)
      possui um código de erro depende da plataforma
      Original:
      holds a platform-dependent error code
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      (classe)[edit]
      (C++11)
      possui um código de erro portátil
      Original:
      holds a portable error code
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      (classe)[edit]
      Obtida de "https://pt.cppreference.com/mwiki/index.php?title=cpp/thread/future_errc&oldid=24417"
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