/**
 * Copyright 2021 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef H05B2224D_B926_4FC0_A936_97B52B8A98DB
#define H05B2224D_B926_4FC0_A936_97B52B8A98DB

#include "easy_graph/infra/default.h"

EG_NS_BEGIN

namespace details {
template<typename T>
struct Interface {
  virtual ~Interface() {}
};
}  // namespace details

#define INTERFACE(Intf) struct Intf : ::EG_NS::details::Interface<Intf>

#define ABSTRACT(...) virtual __VA_ARGS__ = 0

#define OVERRIDE(...) virtual __VA_ARGS__ override

#define EXTENDS(...) , ##__VA_ARGS__
#define IMPLEMENTS(...) EXTENDS(__VA_ARGS__)

EG_NS_END

#endif
