anchor.diff:                                   fun s -> 
                                        if File.Exists(s) then 
                                            File.ReadAllText(s, Encoding.ASCII)
  -                                             .Trim()
                                            |> Some
                                            |> ok
                                        else None |> warn (FileNotExist(s)))
  
positive.code:                 "Enables measurement of the execution time of the program."
  
  module Bsc = 
      let defaultMemorySize = UInt16.MaxValue
      let parser = ArgumentParser.Create<Arguments>()
      
  
negative.code:                      |> warn
                       <| ()
                   | false -> ok())
              let stringOut = stringOut.ToString()
              output.Write(stringOut)
              do! (match expected with
                   | Some x -> 
  