#include <cassert>
#include <vector>
#include <algorithm>
#include <CGAL/circulator.h>
int main() {
std::vector<int> v;
v.push_back(5);
v.push_back(2);
v.push_back(9);
std::sort( container.begin(), container.end());
assert( *i == 2);
i++; assert( *i == 5);
i++; assert( *i == 9);
i++; assert( i == container.end());
return 0;
}