anchor.diff:  open System.IO
   open System.Reflection
   open System.Runtime.CompilerServices
  +open System.Runtime.InteropServices
   open System.Text
   
   /// A type signifying an error during the parsing process.
  
positive.code: 
  namespace Farkle
  
  open System.Runtime.InteropServices
  open Farkle.Builder
  open Farkle.Grammar
  open Farkle.IO
  
negative.code:     [<MethodImpl(MethodImplOptions.AggressiveInlining)>]
      [<Obsolete("Streams are supposed to contain binary \
  data; not text. Parse a TextReader instead.")>]
      member this.Parse(stream, [<Optional>] encoding, [<Optional; DefaultParameterValue(true)>] doLazyLoad) =
          parseStream this doLazyLoad encoding stream
      /// <summary>Parses and post-processes a <see cref="System.IO.TextReader"/>.</summary>
      /// <param name="charStream">The string to parse.</param>
      /// <returns>An F# result type containing either the
  