Espaces de noms
Variantes
Affichages
Actions

std::future::get

De cppreference.com
< cpp‎ | thread‎ | future

[edit template]

This page has been machine-translated from the English version of the wiki using Google Translate.

The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions click here.

Click here for the English version of this page

 
C++
 
Bibliothèque de support fil
Threads
Original:
Threads
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
thread (C++11)
this_thread espace de noms
Original:
this_thread namespace
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
get_id (C++11)
yield (C++11)
sleep_for (C++11)
sleep_until (C++11)
L'exclusion mutuelle
Original:
Mutual exclusion
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
mutex (C++11)
timed_mutex (C++11)
Gestion du verrouillage générique
Original:
Generic lock management
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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
Original:
Condition variables
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
condition_variable (C++11)
condition_variable_any (C++11)
notify_all_at_thread_exit (C++11)
cv_status (C++11)
Futures
Original:
Futures
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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::future
future::future
future::~future
future::operator=
future::share
Obtenir le résultat
Original:
Getting the result
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
future::get
État
Original:
State
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
future::valid
future::wait
future::wait_for
future::wait_until
 
T get();
 (1) (
seul membre de future modèle générique
Original:
member only of generic future template
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
)
(depuis C++11)
T& get();
 (2) (
seul membre de spécialisation de template future<T&>
Original:
member only of future<T&> template specialization
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
)
(depuis C++11)
void get();
 (3) (
seul membre de spécialisation de template future<void>
Original:
member only of future<void> template specialization
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
)
(depuis C++11)
La méthode get attend que le 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 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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
valid()  == false après un appel à cette méthode .
Original:
valid()  == false after a call to this method.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

Sommaire

[modifier] Paramètres

(Aucun)
Original:
(none)
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
2)
La référence à la valeur dans l'état partagé .
Original:
Reference to the value in the shared state.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
3)
Rien .
Original:
Nothing.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[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.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

[modifier] Exemple

This section is incomplete
Reason: no example

[modifier] Voir aussi
vérifie si le future est un état partagé avec un promise
Original:
checks if the future has shared state with a promise
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(fonction membre publique) [edit]
Récupérée de « https://fr.cppreference.com/mwiki/index.php?title=cpp/thread/future/get&oldid=49443 »