1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
// Clonable and nested Base, including their inline members:
class Clonable
{
public:
class Base;
private:
Base *d_bp;
public:
class Base
{
public:
virtual ~Base();
Base *clone() const;
private:
virtual Base *newCopy() const = 0;
};
Clonable();
explicit Clonable(Base *base);
~Clonable();
Clonable(Clonable const &other);
Clonable(Clonable &&tmp);
Clonable &operator=(Clonable const &other);
Clonable &operator=(Clonable &&tmp);
Base &base() const;
};
inline Clonable::Base *Clonable::Base::clone() const
{
return newCopy();
}
inline Clonable::Base &Clonable::base() const
{
return *d_bp;
}
// Derived and its inline member:
class Derived1: public Clonable::Base
{
public:
~Derived1();
private:
virtual Clonable::Base *newCopy() const;
};
inline Clonable::Base *Derived1::newCopy() const
{
return new Derived1(*this);
}
// Members not implemented inline:
Clonable::Base::~Base()
{}
|
