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FSharp.Control Namespace

Library functionality for asynchronous programming, events and agents. See also Asynchronous Programming, Events and Lazy Expressions in the F# Language Guide.

Namespaces

Namespace	Description
FSharp.Control.TaskBuilderExtensions

Async Programming

Type/Module	Description
Async (Module)	Contains camelCase module-level functions for Async computations.
Async (Type)	Holds static members for creating and manipulating asynchronous computations.
Async<'T>	An asynchronous computation, which, when run, will eventually produce a value of type T, or else raises an exception.
AsyncBuilder	The type of the `async` operator, used to build workflows for asynchronous computations.
CommonExtensions	A module of extension members providing asynchronous operations for some basic CLI types related to concurrency and I/O.
Task	Contains camelCase module-level functions for Task computations.
ValueTask	Contains camelCase module-level functions for ValueTask computations.
WebExtensions	A module of extension members providing asynchronous operations for some basic Web operations.

Awaiting Results

Modules	Description
AsyncTaskLikeExtensions	A module of extension members providing support for awaiting any task-like value via the GetAwaiter pattern.

Events and Observables

Type/Module	Description
DelegateEvent<'Delegate>	Event implementations for an arbitrary type of delegate.
Event	Contains operations for working with values of type IEvent.
Event<'T>	Event implementations for the IEvent<_> type.
Event<'Delegate, 'Args>	Event implementations for a delegate types following the standard .NET Framework convention of a first 'sender' argument.
Handler<'T>	A delegate type associated with the F# event type `IEvent<_>`
IDelegateEvent<'Delegate>	First class event values for arbitrary delegate types.
IEvent<'T>	First-class listening points (i.e. objects that permit you to register a callback activated when the event is triggered).
IEvent<'Delegate, 'Args>	First class event values for CLI events conforming to CLI Framework standards.
Observable	Contains operations for working with first class event and other observable objects.

Lazy Computation

Type/Module	Description
Lazy<'T>	The type of delayed computations.
LazyExtensions	Extensions related to Lazy values.

Agents

Type	Description
AsyncReplyChannel<'Reply>	A handle to a capability to reply to a PostAndReply message.
MailboxProcessor<'Msg>	A message-processing agent which executes an asynchronous computation.

Async Internals

Type/Module	Description
AsyncActivation<'T>	The F# compiler emits references to this type to implement F# async expressions.
AsyncPrimitives	Entry points for generated code
AsyncReturn	The F# compiler emits references to this type to implement F# async expressions.

Other namespace members

Type/Module	Description
BackgroundTaskBuilder	Contains methods to build tasks using the F# computation expression syntax
TaskBuilder (Module)	Contains the `task` computation expression builder.
TaskBuilder (Type)	Contains methods to build tasks using the F# computation expression syntax
TaskBuilderBase	Contains methods to build tasks using the F# computation expression syntax

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