anchor.diff:          kernelPrepareF,check
       
       [<Test>]
  -    member this.``truct int int``() = 
  +    member this.``struct int int``() = 
           let command = 
               <@ 
                   fun (range:_1D) (buf:array<int>) (s:a)  -> 
  
positive.code:     val x: int 
      val y: int
      new (x1, y1) = {x = x1; y = y1} 
  
  [<Struct>]
  type d =
  
negative.code:         check intInArr [|1;1;2;3|]
  
      [<Test>]
      member this.``some useless tuples``() = 
          let command = 
              <@ 
                  fun (range:_1D) (buf:array<int>) (s:int*int) -> 
  