anchor.diff:        let path = Path.GetDirectoryName(fileName)
         let name = Path.GetFileName(fileName)
         let watcher = new FileSystemWatcher(Filter = name, Path = path)
  -      watcher.Changed.Add(fun _ -> ownerType.Invalidate()) 
  +      watcher.Changed.Add(fun _ ->
  +        ownerType.Invalidate()) 
         watcher.EnableRaisingEvents <- true   
   
   let seqType ty = typedefof<seq<_>>.MakeGenericType[| ty |]
  
positive.code:     (^a : (member AddDefinitionLocation: int*int*string -> unit) (definition,filePosition.Line,filePosition.Column,filePosition.FileName))
      definition
  
  let runtimeType<'a> typeName = ProvidedTypeDefinition(typeName |> niceName |> makeUniqueName, Some typeof<'a>)
  
  let eraseType assemblyName rootNamespace typeName toType = 
      ProvidedTypeDefinition(assemblyName, rootNamespace, typeName, Some toType)
  
negative.code:               yield sub.[0].ToString().ToUpper() + sub.ToLower().Substring(1) }
      |> String.concat ""
  
  let hideOldMethods (typeDef:ProvidedTypeDefinition) = 
      typeDef.HideObjectMethods <- true
      typeDef
  