| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef DEFAULTONLY_H |
| #define DEFAULTONLY_H |
| |
| #include <cassert> |
| |
| class DefaultOnly |
| { |
| int data_; |
| |
| DefaultOnly(const DefaultOnly&); |
| DefaultOnly& operator=(const DefaultOnly&); |
| public: |
| static int count; |
| |
| DefaultOnly() : data_(-1) {++count;} |
| ~DefaultOnly() {data_ = 0; --count;} |
| |
| friend bool operator==(const DefaultOnly& x, const DefaultOnly& y) |
| {return x.data_ == y.data_;} |
| friend bool operator< (const DefaultOnly& x, const DefaultOnly& y) |
| {return x.data_ < y.data_;} |
| }; |
| |
| int DefaultOnly::count = 0; |
| |
| #endif // DEFAULTONLY_H |