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Control.MailboxProcessor<'Msg> Constructor (F#)

Den Delimarsky|Last Updated: 8/18/2017
1 Contributor

Creates an agent.

Namespace/Module Path: Microsoft.FSharp.Control

Assembly: FSharp.Core (in FSharp.Core.dll)


// Signature:
new MailboxProcessor : (MailboxProcessor<'Msg> -> Async<unit>) * ?CancellationToken -> MailboxProcessor<'Msg>

// Usage:
new MailboxProcessor (body)
new MailboxProcessor (body, cancellationToken = cancellationToken)


body Type: MailboxProcessor<'Msg> ->Async<unit>

The function to produce an asynchronous computation that will be executed as the read loop for the MailboxProcessor when Start is called.

cancellationToken Type: CancellationToken

An optional cancellation token for the body. Defaults to Async.DefaultCancellationToken.

Return Value

The created MailboxProcessor.


The body function is used to generate the asynchronous computation executed by the agent. This function is not executed until Start is called.


Windows 8, Windows 7, Windows Server 2012, Windows Server 2008 R2

Version Information

F# Core Library Versions

Supported in: 2.0, 4.0, Portable

See Also

Control.MailboxProcessor<'Msg> Class (F#)

Microsoft.FSharp.Control Namespace (F#)

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