| // Copyright 2021 The Dawn Authors |
| // |
| // 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 SRC_DAWN_COMMON_NONCOPYABLE_H_ |
| #define SRC_DAWN_COMMON_NONCOPYABLE_H_ |
| |
| // A base class to make a class non-copyable. |
| class NonCopyable { |
| protected: |
| constexpr NonCopyable() = default; |
| ~NonCopyable() = default; |
| |
| NonCopyable(NonCopyable&&) = default; |
| NonCopyable& operator=(NonCopyable&&) = default; |
| |
| private: |
| NonCopyable(const NonCopyable&) = delete; |
| void operator=(const NonCopyable&) = delete; |
| }; |
| |
| // A base class to make a class non-movable. |
| class NonMovable : NonCopyable { |
| protected: |
| constexpr NonMovable() = default; |
| ~NonMovable() = default; |
| |
| private: |
| NonMovable(NonMovable&&) = delete; |
| void operator=(NonMovable&&) = delete; |
| }; |
| |
| #endif // SRC_DAWN_COMMON_NONCOPYABLE_H_ |