looped state

gistfile1.fs

open Akka.FSharp
open Akka
open Akka.Configuration

let system = System.create "my-system" (Configuration.defaultConfig())

let aref = 
    spawn system "my-actor" 
        (fun mailbox -> 
            let rec loop(state) = actor {
                let! message = mailbox.Receive()
                printfn "%s %A" message state
                return! loop(state+1)
            }
            loop(0))

aref <! "hello"
aref <! "We"
aref <! "Use"
aref <! "Looped state"
            

This outputs

hello 0
We 1
Use 2
Looped state 3

Where the number is state that is passed around in the loop.