anchor.diff:      let [<NoDynamicInvocation>] inline ofLines (lines : string[]) =
           System.String.Join (System.Environment.NewLine, lines)
   
  +    /// Splits a string into individual lines.
  +    let [<NoDynamicInvocation>] inline toLines (str : string) =
  +        str.Split ([| '\r'; '\n' |], System.StringSplitOptions.RemoveEmptyEntries)
  +
       /// Creates a new string by removing all leading and trailing
       /// white-space characters from the specified string.
       let [<NoDynamicInvocation>] inline trim (str : string) =
  
positive.code: 
  /// Additional operators for F# data types.
  [<AutoOpen>]
  module internal AdditionalOperators =
      /// Type abbreviation for System.NotImplementedException.
      type notImplExn = System.NotImplementedException
  
  
negative.code:     let [<NoDynamicInvocation>] inline isNull< ^T when ^T : not struct> (x : ^T) =
          System.Object.ReferenceEquals (null, x)
  
      /// Determines if a reference is a null reference, and if it is, throws an ArgumentNullException.
      let [<NoDynamicInvocation>] inline checkNonNull< ^T when ^T : not struct> argName (value : ^T) =
          if isNull value then
              nullArg argName
  
  