libcxx/test/std/depr/depr.auto.ptr/auto.ptr/A.h

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