How do I initialize a const std::pair?

Question

Let's say that I've got a :

#include <utility>
using namespace std;
typedef pair<int, int> my_pair;

how do I initialize a const my_pair ?

score 35 · Accepted Answer · answered Aug 05 '09 at 08:07

35

Use its constructor:

const my_pair p( 1, 2 );

answered Aug 05 '09 at 08:07

score 26 · Answer 2 · answered Aug 27 '15 at 14:19

26

With C++11 you can also use one of the following:

const my_pair p = {2, 3};
const my_pair p({2, 3});
const my_pair p{2, 3};

answered Aug 27 '15 at 14:19

score 19 · Answer 3 · answered Aug 05 '09 at 08:12

19

const my_pair p = std::make_pair( 2, 3);

answered Aug 05 '09 at 08:12

Cătălin Pitiș

score 1 · Answer 4 · answered Aug 05 '09 at 08:10

1

const my_pair p = my_pair(3, 2);

answered Aug 05 '09 at 08:10

Ivan

4 Answers4