anchor.diff:  /// Additional functional operators on strings.
   [<RequireQualifiedAccess; CompilationRepresentation(CompilationRepresentationFlags.ModuleSuffix)>]
   module String =
  +    open OptimizedClosures
  +
       /// The empty string literal.
       let [<Literal>] empty = ""
   
  
positive.code:         functions (e.g., to filter out strings less than 10 characters), but then we'd easily
          be able to create the substring from that information if necessary.
        - This could be implemented by using the regular vector type / functions from fsharplex.
  
      *)
  
  
  
negative.code:         lazyValue.Value
  
      //
      let [<NoDynamicInvocation>] inline create creator : Lazy<'T> =
          System.Lazy.Create creator
  
      //
      [<CompiledName("TryGetValue")>]
      let tryGetValue (lazyValue : Lazy<'T>) =
          if lazyValue.IsValueCreated then
  