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module compilertesting.Main

open System
open System.IO
open System.Text
open Microsoft.FSharp.Compiler.SimpleSourceCodeServices

[<EntryPoint>]
let main args = 
    

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[<Activity (Label = "HelloBarometer", MainLauncher = true)>]
type MainActivity () =
  inherit Activity ()
  
  let calculateAltitudeInFeet hPAs =
      let pstd = 1013.25
      (1.0 - Math.Pow((hPAs/pstd), 0.190284)) * 145366.45
      
  let mainLabel = ref Unchecked.defaultof<_>
  

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let colourStyles = Mono.TextEditor.Highlighting.SyntaxModeService.GetColorStyle(MonoDevelop.Ide.IdeApp.Preferences.ColorScheme)

let keywordColour = colourStyle.GetForeground (colourStyle.KeywordProperty)

let cairoToHsl (c:Cairo.Color) = HslColor.op_Implicit(c)
let gdkToHsl (c:Gdk.Color) = HslColor.op_Implicit(c)
let hslToCairo (c:HslColor) : Cairo.Color = HslColor.op_Implicit(c)
let hslToGdk (c:HslColor) : Gdk.Color = HslColor.op_Implicit(c)

let cairoToGdk = cairoToHsl >> hslToGdk

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public class Options
{
    public enum Style
    {
        Call,
        Put
    }

    public static double BlackScholes(Style callPut, double s, double x, double t, double r, double v)
    {

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let mailbox = MailboxProcessor.Start(fun inbox ->
  let rec loop routes = async {
    let! msg = inbox.Receive()
    match msg with
    | Payload(data) ->
      ss.Release() |> ignore
      let result = async{data |> transform |> router <| routes} 
      |> Async.Catch 
      |> Async.RunSynchronously
      match result with

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    let mailbox = MailboxProcessor.Start(fun inbox ->
        let rec loop routes = async {
            let! msg = inbox.Receive()
            match msg with
            | Payload(data) ->
                ss.Release() |> ignore
                let result = compute data routes |> Async.Catch |> Async.RunSynchronously
                match result with
                | Choice1Of2 _ -> ()
                | Choice2Of2 exn -> errors exn

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    let computeAndRoute data routes = async{data |> transform |> router <| routes}

    let mailbox = MailboxProcessor.Start(fun inbox ->
        let rec loop routes = async {
            let! msg = inbox.Receive()
            match msg with
            | Payload(data) ->
                ss.Release() |> ignore 
                Async.StartWithContinuations(computeAndRoute data routes, ignore, errors, ignore)   
                return! loop routes     

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let server = new HttpServer(OnHeaders = respondHelloWorld ) )

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let server = HttpServer((fun(headers, close, svr, sd) -> 
    let header = sprintf "HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\nContent-Length: 20\r\nConnection: close\r\nServer: Fracture\r\nDate: %s\r\n\r\n" (DateTime.UtcNow.ToShortDateString())
    let body = "Hello world.\r\nHello."
    let encoded = System.Text.Encoding.ASCII.GetBytes(header + body)
    do svr.Send(sd.RemoteEndPoint, encoded, true)), body = fun(body, svr, sd) -> 
        Debug.WriteLine( sprintf "%s" (Text.Encoding.ASCII.GetString(body.Array)) ) )

server.Listen(6667)
printfn "Http Server started"
Console.ReadKey() |> ignore

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http.createServer(function (request, response) {

  var uri = url.parse(request.url).pathname;  

  if(uri=='/pong') {
    response.writeHead(200, {'Content-Type': 'text/plain'});
    response.end('PONG');
  } else if ((match = uri.match(/^\/echo\/(.*)$/)) != null) {
    response.writeHead(200, {'Content-Type': 'text/plain'});
    response.end(match[1]);