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Describes an asynchronous provider that is a call wrapper whose call signature is Ty(ArgTypes...). Its associated asynchronous state holds a copy of its callable object in addition to the potential result.
template<class>
class packaged_task;
Members
Public Constructors
Name |
Description |
|---|---|
Constructs a packaged_task object. |
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Destroys a packaged_task object. |
Public Methods
Name |
Description |
|---|---|
Returns a future object that has the same associated asynchronous state. |
|
Calls the callable object that's stored in the associated asynchronous state and atomically stores the returned value. |
|
Replaces the associated asynchronous state. |
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Exchanges the associated asynchronous state with that of a specified object. |
|
Specifies whether the object has an associated asynchronous state. |
Public Operators
Name |
Description |
|---|---|
Transfers an associated asynchronous state from a specified object. |
|
Calls the callable object that's stored in the associated asynchronous state, atomically stores the returned value, and sets the state to ready. |
|
Specifies whether the object has an associated asynchronous state. |
Requirements
Header: future
Namespace: std