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std::future::get

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< cpp‎ | thread‎ | future

 
 
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Threads
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Threads
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thread(C++11)
this_thread espacio de nombres
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this_thread namespace
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get_id(C++11)
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Exclusión mutua
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Mutual exclusion
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mutex(C++11)
timed_mutex(C++11)
Gestión de bloqueos genérico
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Generic lock management
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lock_guard(C++11)
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lock(C++11)
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Las variables de condición
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Condition variables
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condition_variable(C++11)
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Futuros
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Futures
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promise(C++11)
future(C++11)
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std::future
future::future
future::~future
future::operator=
future::share
Conseguir el resultado
Original:
Getting the result
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future::get
Estado
Original:
State
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future::valid
future::wait
future::wait_for
future::wait_until
 
T get();
(1) (único miembro de plantilla future genérico)
(desde C++11)
T& get();
(2) (único miembro de especialización de plantilla future<T&>)
(desde C++11)
void get();
(3) (único miembro de especialización de plantilla future<void>)
(desde C++11)
El método get espera hasta que el future tiene un resultado válido, y (dependiendo de la plantilla se utiliza) se recupera. Se llama wait() eficazmente con el fin de esperar a que el resultado .
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.
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La plantilla genérica y dos especializaciones de plantillas contienen cada uno una única versión de get. Las tres versiones de get sólo se diferencian en el tipo de retorno .
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 después de una llamada a este método .
Original:
valid()  == false after a call to this method.
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Contenido

[editar] Parámetros

(Ninguno)
Original:
(none)
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[editar] Valor de retorno

1)
El valor almacenado en el estado compartido. Si cumple los requisitos de MoveAssignable, el valor se mueve, de lo contrario, se copia .
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 referencia al valor en el estado compartido .
Original:
Reference to the value in the shared state.
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3)
Nada .
Original:
Nothing.
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[editar] Excepciones

Si una excepción se almacena en el estado compartido al que hace referencia el futuro (por ejemplo, mediante una llamada a std::promise::set_exception) entonces que excepción será lanzada .
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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[editar] Ejemplo

[editar] Ver también

Comprueba si el futuro ha estado compartido con una promesa
Original:
checks if the future has shared state with a promise
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(miembro público función) [edit]