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std::shared_future::get

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Bibliothèque de support fil
Threads
Original:
Threads
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thread (C++11)
this_thread espace de noms
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this_thread namespace
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get_id (C++11)
yield (C++11)
sleep_for (C++11)
sleep_until (C++11)
L'exclusion mutuelle
Original:
Mutual exclusion
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mutex (C++11)
timed_mutex (C++11)
Gestion du verrouillage générique
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Generic lock management
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lock_guard (C++11)
unique_lock (C++11)
defer_lock_t
try_to_lock_t
adopt_lock_t
(C++11)
(C++11)
(C++11)
lock (C++11)
try_lock (C++11)
defer_lock
try_to_lock
adopt_lock
(C++11)
(C++11)
(C++11)
Les variables de condition
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Condition variables
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condition_variable (C++11)
condition_variable_any (C++11)
notify_all_at_thread_exit (C++11)
cv_status (C++11)
Futures
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Futures
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promise (C++11)
future (C++11)
shared_future (C++11)
packaged_task (C++11)
async (C++11)
launch (C++11)
future_status (C++11)
future_error (C++11)
future_category (C++11)
future_errc (C++11)
 
std::shared_future
Les fonctions membres
Original:
Member functions
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shared_future::shared_future
shared_future::~shared_future
shared_future::operator=
Obtenir le résultat
Original:
Getting the result
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shared_future::get
État
Original:
State
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shared_future::valid
shared_future::wait
shared_future::wait_for
shared_future::wait_until
 
T get() const;
(1) (
seul membre de shared_future modèle générique
Original:
member only of generic shared_future template
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)

(depuis C++11)
T& get() const;
(2) (
seul membre de spécialisation de template shared_future<T&>
Original:
member only of shared_future<T&> template specialization
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)

(depuis C++11)
void get() const;
(3) (
seul membre de spécialisation de template shared_future<void>
Original:
member only of shared_future<void> template specialization
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)

(depuis C++11)
La méthode get attend que le shared_future a un résultat valable et (en fonction du modèle utilisé), il récupère. Il appelle effectivement wait() pour attendre le résultat .
Original:
The get method waits until the shared_future has a valid result and (depending on which template is used) retrieves it. It effectively calls wait() in order to wait for the result.
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Le modèle générique et deux spécialisations modèles contiennent chacune une seule version de get. Les trois versions de get ne diffèrent que par le type de retour .
Original:
The generic template and two template specializations each contain a single version of get. The three versions of get differ only in the return type.
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valid()  == false après un appel à cette méthode .
Original:
valid()  == false after a call to this method.
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Sommaire

[modifier] Paramètres

(Aucun)
Original:
(none)
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[modifier] Retourne la valeur

1)
La valeur stockée dans l'état partagé. Si elle satisfait aux exigences de MoveAssignable, la valeur est déplacé, sinon il est copié .
Original:
The value stored in the shared state. If it satisfies the requirements of MoveAssignable, the value is moved, otherwise it is copied.
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2)
La référence à la valeur dans l'état partagé .
Original:
Reference to the value in the shared state.
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3)
Rien .
Original:
Nothing.
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[modifier] Exceptions

Si une exception a été stocké à l'état partagé référencé par l'avenir (par exemple, via un appel à std::promise::set_exception) alors que exception sera levée .
Original:
If an exception was stored in the shared state referenced by the future (e.g. via a call to std::promise::set_exception) then that exception will be thrown.
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[modifier] Exemple

[modifier] Voir aussi

vérifie si l'avenir est un état partagé avec une promesse
Original:
checks if the future has shared state with a promise
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(fonction membre publique) [edit]