| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #ifndef A_H |
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| 10 | #define A_H |
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| 11 | |
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| 12 | #include <cassert> |
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| 13 | |
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| 14 | class A |
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| 15 | { |
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| 16 | int id_; |
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| 17 | public: |
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| 18 | explicit A(int id) : id_(id) {++count;} |
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| 19 | A(const A& a) : id_(a.id_) {++count;} |
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| 20 | ~A() {assert(id_ >= 0); id_ = -1; --count;} |
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| 21 | |
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| 22 | A& operator=(const A& other) { id_ = other.id_; return *this; } |
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| 23 | |
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| 24 | int id() const {return id_;} |
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| 25 | |
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| 26 | static int count; |
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| 27 | }; |
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| 28 | |
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| 29 | int A::count = 0; |
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| 30 | |
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| 31 | #endif // A_H |
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| 32 | |
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