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#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
mapsm constructed
MyClass destructor
MyClass destructor
*/
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