RecFlowlet.fs

type MyControl() =
    inherit IntelliFactory.WebSharper.Web.Control ()

    [<JavaScript>]
    override this.Body =

        let inpCtrl str =
            Controls.Input str
            |> Enhance.WithSubmitButton
            |> Enhance.WithFormContainer

        let rec myInp (str:string) : Formlet<string> =
            Formlet.Do {
                let! x = inpCtrl str
                return! myInp (x + "1")
            }
                    
        myInp "hello" 
        |> Formlet.Flowlet
        :> IPagelet