| // Copyright 2014 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 |