|  | # Copyright 2019 The Fuchsia Authors. All rights reserved. | 
|  | # Use of this source code is governed by a BSD-style license that can be | 
|  | # found in the LICENSE file. | 
|  |  | 
|  | from typing import List, Optional, Sequence, Tuple, FrozenSet, Set, Dict, NamedTuple | 
|  |  | 
|  | from difl.ir import Library, Struct, StructMember, Type, Table, Union, Protocol, Enum | 
|  | from difl.changes import * | 
|  | from difl.comparator import Comparator | 
|  |  | 
|  |  | 
|  | def enum_changes(before: Enum, after: Enum, | 
|  | comparator: Comparator) -> List[Change]: | 
|  | changes: List[Change] = [] | 
|  |  | 
|  | # TODO: actually compare enums | 
|  |  | 
|  | return changes |