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std::future_errc

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thread (C++11)
this_thread espace de noms
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this_thread namespace
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Gestion du verrouillage générique
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Generic lock management
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promise (C++11)
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future_errc (C++11)
 
std::future_errc
Classes d'aide
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Helper classes
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is_error_code_enum
Tiers fonctions
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Non-member functions
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make_error_code
make_error_condition
 
Defined in header <ios>
enum class future_errc {

    broken_promise,
    future_already_retrieved,
    promise_already_satisfied,
    no_state

};
(depuis C++11)
La portée std::future_errc énumération définit les codes d'erreur générés par std::future et les classes connexes dans les objets d'exception std::future_error. Seuls quatre codes d'erreur sont nécessaires, même si la mise en œuvre peut définir des codes d'erreur supplémentaires. Parce que la spécialisation approprié de std :: is_error_code_enum est fourni, les valeurs de type std::future_errc sont implicitement convertible en std::error_code .
Original:
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.
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Sommaire

[modifier] Constantes membres

Constante
Original:
Constant
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Explanation
broken_promise
la tâche asynchrone abandonné son état partagé
Original:
the asynchronous task abandoned its shared state
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future_already_retrieved
le contenu de l'état partagé étaient déjà accessibles via std::future
Original:
the contents of shared state were already accessed through std::future
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promise_already_satisfied
tenter de mémoriser une valeur dans l'état partagé à deux reprises
Original:
attempt to store a value in the shared state twice
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no_state
tenter d'accéder std::promise ou std::future sans un Etat associé partagé
Original:
attempt to access std::promise or std::future without an associated shared state
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[modifier] Classes d'aide

prolonge le trait std::is_error_code_enum type pour identifier les codes d'erreur futures
Original:
extends the type trait std::is_error_code_enum to identify future error codes
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(classe générique)

[modifier] Fonctions annexes

construit un code d'erreur future
Original:
constructs a future error code
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(fonction)
construit un error_condition avenir
Original:
constructs a future error_condition
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(fonction)

[modifier] Exemple

[modifier] Voir aussi

(C++11)
détient un code d'erreur dépendant de la plate-forme
Original:
holds a platform-dependent error code
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(classe) [edit]
détient un code d'erreur portable
Original:
holds a portable error code
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(classe) [edit]