F# Asyn

F# is sensitive to indentation and linage (e.g. the calling "Donwload" [next line] ()
// Learn more about F# at http://fsharp.net
namespace JQD

type Downloader() =
    let folder="test"

    let Download()=
      async {
        let f=System.IO.File.ReadLines("")
        let g="456"
        return f
      }

    member this.DA()=
        async {
            while(true) do
                let n=Download
                ()
        }
        |>Async.StartImmediate