Akka.NET F# Actor with state

gistfile1.fs

    
type State = { X: int; Y: int }

let system = ConfigurationFactory.Default() |> System.create "FSharpActors"

let aref = 
    spawn system "actor"
    <| fun mailbox ->
        let rec loop state = 
            actor {
                let! msg = mailbox.Receive()
                // ... do something
                return! loop { state with X = state.X + msg }
            }
        loop { X = 0; Y = 0}