| /* |
| * Copyright 2022 The Android Open Source Project |
| * |
| * 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. |
| */ |
| |
| #pragma once |
| |
| namespace android::ftl::details { |
| |
| template <typename Self, template <typename> class> |
| class Mixin { |
| protected: |
| constexpr Self& self() { return *static_cast<Self*>(this); } |
| constexpr const Self& self() const { return *static_cast<const Self*>(this); } |
| |
| constexpr auto& mut() { return self().value_; } |
| }; |
| |
| } // namespace android::ftl::details |