anchor.diff:                                  match Map.tryFind n outputs with
                                   | Some t ->
                                       if t = v.Type then Some v
  -                                    else v |> ShaderOutputValue.withValue (converter v.Type t v.Value) |> Some
  +                                    else v |> ShaderOutputValue.withValue (converter n v.Type t v.Value) |> Some
                                   | None ->
                                       None
                               )
  
positive.code:                     let variables =
                          needed |> Map.map (fun name (lv, rv) -> 
                              let variable = Var(name + "C", rv.paramType)
                              let converter = converter lv.paramType rv.paramType
                              variable, converter
                          )
  
  
negative.code:                     let variables =
                          needed |> Map.map (fun name (lv, rv) -> 
                              let variable = Var(name + "C", rv.paramType)
                              let converter = converter name lv.paramType rv.paramType
                              variable, converter
                          )
  
  