// Copyright 2019 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 // Use this inside a class declaration to ensure that the corresponding objects // cannot be copy-constructed or assigned. For example: // // class Foo { // .... // DISALLOW_COPY_AND_ASSIGN(Foo) // .... // }; // // Note: this macro is sometimes defined in 3rd-party libs, so let's check first #ifndef DISALLOW_COPY_AND_ASSIGN #define DISALLOW_COPY_AND_ASSIGN(T) \ T(const T& other) = delete; \ T& operator=(const T& other) = delete #endif #ifndef DISALLOW_COPY_ASSIGN_AND_MOVE #define DISALLOW_COPY_ASSIGN_AND_MOVE(T) \ DISALLOW_COPY_AND_ASSIGN(T); \ T(T&&) = delete; \ T& operator=(T&&) = delete #endif