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28 
29 #include "onlycopy.h"
30 
31 class OnlyCopyPrivate
32 {
33 public:
OnlyCopyPrivate(int v=0)34     explicit OnlyCopyPrivate(int v = 0) : value(v) {}
35 
36     int value;
37 };
38 
OnlyCopy(int value)39 OnlyCopy::OnlyCopy(int value) : d(new OnlyCopyPrivate(value))
40 {
41 
42 }
43 
OnlyCopy(OnlyCopyPrivate * dIn)44 OnlyCopy::OnlyCopy(OnlyCopyPrivate *dIn) : d(dIn)
45 {
46 }
47 
~OnlyCopy()48 OnlyCopy::~OnlyCopy()
49 {
50     delete d;
51 }
52 
OnlyCopy(const OnlyCopy & other)53 OnlyCopy::OnlyCopy(const OnlyCopy& other) : d(new OnlyCopyPrivate(other.value()))
54 {
55 }
56 
57 OnlyCopy&
operator =(const OnlyCopy & other)58 OnlyCopy::operator=(const OnlyCopy& other)
59 {
60     d->value = other.d->value;
61     return *this;
62 }
63 
value() const64 int OnlyCopy::value() const
65 {
66     return d->value;
67 }
68 
69 OnlyCopy
createOnlyCopy(int value)70 FriendOfOnlyCopy::createOnlyCopy(int value)
71 {
72 
73     return OnlyCopy(value);
74 }
75 
76 std::list<OnlyCopy>
createListOfOnlyCopy(int quantity)77 FriendOfOnlyCopy::createListOfOnlyCopy(int quantity)
78 {
79     std::list<OnlyCopy> list;
80     for (int i = 0; i < quantity; ++i)
81         list.push_back(createOnlyCopy(i));
82     return list;
83 }
84