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INS_ITR.CPP
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1997-05-06
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#include <iterator>
#include <deque>
using namespace std;
int main ()
{
//
// Initialize a deque using an array.
//
int arr[4] = { 3,4,7,8 };
deque<int> d(arr+0, arr+4);
//
// Output the original deque.
//
cout << "Start with a deque: " << endl << " ";
copy(d.begin(), d.end(), ostream_iterator<int>(cout," "));
//
// Insert into the middle.
//
insert_iterator<deque<int> > ins(d, d.begin()+2);
*ins = 5; *ins = 6;
//
// Output the new deque.
//
cout << endl << endl;
cout << "Use an insert_iterator: " << endl << " ";
copy(d.begin(), d.end(), ostream_iterator<int>(cout," "));
//
// A deque of four 1s.
//
deque<int> d2(4, 1);
//
// Insert d2 at front of d.
//
copy(d2.begin(), d2.end(), front_inserter(d));
//
// Output the new deque.
//
cout << endl << endl;
cout << "Use a front_inserter: " << endl << " ";
copy(d.begin(), d.end(), ostream_iterator<int>(cout," "));
//
// Insert d2 at back of d.
//
copy(d2.begin(), d2.end(), back_inserter(d));
//
// Output the new deque.
//
cout << endl << endl;
cout << "Use a back_inserter: " << endl << " ";
copy(d.begin(), d.end(), ostream_iterator<int>(cout," "));
cout << endl;
return 0;
}