1*38e8c45fSAndroid Build Coastguard Worker /* 2*38e8c45fSAndroid Build Coastguard Worker * Copyright 2022 The Android Open Source Project 3*38e8c45fSAndroid Build Coastguard Worker * 4*38e8c45fSAndroid Build Coastguard Worker * Licensed under the Apache License, Version 2.0 (the "License"); 5*38e8c45fSAndroid Build Coastguard Worker * you may not use this file except in compliance with the License. 6*38e8c45fSAndroid Build Coastguard Worker * You may obtain a copy of the License at 7*38e8c45fSAndroid Build Coastguard Worker * 8*38e8c45fSAndroid Build Coastguard Worker * http://www.apache.org/licenses/LICENSE-2.0 9*38e8c45fSAndroid Build Coastguard Worker * 10*38e8c45fSAndroid Build Coastguard Worker * Unless required by applicable law or agreed to in writing, software 11*38e8c45fSAndroid Build Coastguard Worker * distributed under the License is distributed on an "AS IS" BASIS, 12*38e8c45fSAndroid Build Coastguard Worker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*38e8c45fSAndroid Build Coastguard Worker * See the License for the specific language governing permissions and 14*38e8c45fSAndroid Build Coastguard Worker * limitations under the License. 15*38e8c45fSAndroid Build Coastguard Worker */ 16*38e8c45fSAndroid Build Coastguard Worker 17*38e8c45fSAndroid Build Coastguard Worker #pragma once 18*38e8c45fSAndroid Build Coastguard Worker 19*38e8c45fSAndroid Build Coastguard Worker namespace android::ftl::details { 20*38e8c45fSAndroid Build Coastguard Worker 21*38e8c45fSAndroid Build Coastguard Worker template <typename Self, template <typename> class> 22*38e8c45fSAndroid Build Coastguard Worker class Mixin { 23*38e8c45fSAndroid Build Coastguard Worker protected: self()24*38e8c45fSAndroid Build Coastguard Worker constexpr Self& self() { return *static_cast<Self*>(this); } self()25*38e8c45fSAndroid Build Coastguard Worker constexpr const Self& self() const { return *static_cast<const Self*>(this); } 26*38e8c45fSAndroid Build Coastguard Worker mut()27*38e8c45fSAndroid Build Coastguard Worker constexpr auto& mut() { return self().value_; } 28*38e8c45fSAndroid Build Coastguard Worker }; 29*38e8c45fSAndroid Build Coastguard Worker 30*38e8c45fSAndroid Build Coastguard Worker } // namespace android::ftl::details 31