anchor.diff:  /// you use some functions for parallel processing over arrays.
   ///
   /// To learn more, see: https://msdn.microsoft.com/en-us/visualfsharpdocs/conceptual/array.parallel-module-%5Bfsharp%5D
  -module ParallelArrayProgramming = 
  +module ParallelArrayProgramming =
                 
       /// First, an array of inputs.
       let oneBigArray = [| 0 .. 100000 |]
  
positive.code: 
  
  /// Classes are a way of defining new object types in F#, and support standard Object-oriented constructs.
  /// Classes can have a variety of members (methods, properties, events, etc.)
  ///
  /// To learn more about Classes, see: https://docs.microsoft.com/en-us/dotnet/articles/fsharp/language-reference/classes
  ///
  
negative.code:     /// the signatures of the functions we're using.
      let squareOddValuesAndAddOneComposition =
          List.filter isOdd >> List.map (square >> addOne)
  
      printfn "processing %A through 'squareOddValuesAndAddOneComposition' produces: %A" numbers (squareOddValuesAndAddOneComposition numbers)
  
  
  /// Lists are ordered, immutable, singly-linked lists.  They are eager in their evaluation.
  