blob: c89d99d749c52aee3e7aca6b8394e65dc5547174 (
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
|
#include <iostream>
#include <string>
#include <vector>
using namespace std;
struct A {
public:
virtual string s() { return "a"; }
};
class B : public A {
public:
string s() { return "b"; }
};
B
make_b()
{
B b;
return b;
}
A
make_a()
{
return make_b();
}
int
main(void)
{
vector<A> x;
B b = make_b();
x.push_back(b);
cout << x[0].s() << endl;
B c;
x.push_back(c);
cout << x[1].s() << endl;
return 0;
}
|
