blob: 67f4bcd99197021b4c0ade8cc21513c2b1b408c7 (
plain)
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
|
// Build don't link:
// GROUPS passed visibility
#include <iostream.h>
class base {
//==========
void base_priv(char * n)
{ cout << "base_priv called from: " << n << "\n"; };
protected:
void base_prot(char * n)
{ cout << "base_prot called from: " << n << "\n"; };
public:
void base_publ(char * n)
{ cout << "base_publ called from: " << n << "\n"; };
void test(char * n) { base_publ(n); base_prot(n); base_priv(n); }
}; // class base
class derived : private base { // Make this public,
//============================ // and we don't get an error
friend void derived_friend();
public :
void test(char * n) { base_publ(n); base_prot(n);}
}; // class derived
void
derived_friend()
//--------------
{
derived pd;
pd.base_publ("friend of derived class"); // Compiler error here
pd.base_prot("friend of derived class");
}
int main(int argc, char *argv[])
//==========================
{
base b;
b.base_publ("base class object");
b.test("member of base class object");
cout << "\n";
derived pd;
pd.test("member of derived class object");
derived_friend();
cout << "\n";
} /* main */
|
