05-unique_ptr4_good.cpp
694 Bytes
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
#include <memory>
#include <iostream>
using namespace std;
class Example
{
public:
Example()
{
cout << "Example::Example()" << endl;
}
Example(int a)
{
cout << "Example::Example(" << a << ")" << endl;
}
~Example()
{
cout << "Example::~Example()" << endl;
}
};
int genexc()
{
cout << "genexc()" << endl;
throw 0;
return 0;
}
void fun1(const unique_ptr<Example>& ptr, int b)
{
}
void fun2(int b, const unique_ptr<Example>& ptr)
{
}
int main()
{
cout << "One:" << endl;
try {
fun1(make_unique<Example>(), genexc()); // OK
} catch (...)
{
}
cout << "Two:" << endl;
try {
fun2(genexc(), make_unique<Example>(3)); // OK
} catch (...)
{
}
}