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
|
#include <iostream>
#include <map>
using namespace std;
class MyClass
{
public:
MyClass()
{
cout << "MyClass constructor\n";
}
MyClass(MyClass const &other)
{
cout << "MyClass copy constructor\n";
}
~MyClass()
{
cout << "MyClass destructor\n";
}
};
int main()
{
pair<string, MyClass> pairs[] =
{
pair<string, MyClass>("one", MyClass())
};
cout << "pairs constructed\n";
map<string, MyClass> mapsm(&pairs[0], &pairs[1]);
cout << "mapsm constructed\n";
}
/*
Generated output:
MyClass constructor
MyClass copy constructor
MyClass destructor
pairs constructed
MyClass copy constructor
MyClass copy constructor
MyClass destructor
mapsm constructed
MyClass destructor
MyClass destructor
*/
|
