anchor.diff:  // [x] Handle case when all fields are written
   // [x] Handle pattern: let x = { MyRecord1.Field1 = 0 }
   // [x] Handle pattern: let x = { Field1 = 0 }
  +// [x] Handle copy-and-update expression
  +// [ ] Handle record pattern maching: let { Field1 = _; Field2 = _ } = x
   // [ ] Add tests for SmartTag generation?
  -// [ ] Handle record pattern maching: let { Field1 = _; Field2 = _ } = x
  -// [ ] Handle copy-and-update expression
   
   open FSharpVSPowerTools
   open FSharpVSPowerTools.CodeGeneration
  
positive.code: let x: MyRecord = { Field1 = failwith ""
                      Field2 = failwith ""
                      Field3 = failwith "" }"""
  
  [<Test>]
  let ``single-field record stub generation in the middle of the file`` () =
  
negative.code: let x: MyRecord = { Field1 = failwith "" }"""
  
  [<Test>]
  let ``multiple-field typed record stub generation (1)`` () =
      """
  type MyRecord = {Field1: int; Field2: float; Field3: float}
  let x: MyRecord = { }"""
  