#include <utility>
#include <iterator>
#include <algorithm>
+#include <set>
+
namespace lyx {
template<class C>
void eliminate_duplicates(C & c)
{
- std::sort(c.begin(), c.end());
- typename C::iterator p = std::unique(c.begin(), c.end());
- c.erase(p, c.end());
+ C unique_c;
+ std::set<typename C::value_type> s;
+
+ for (typename C::iterator p = c.begin(); p != c.end(); ++p) {
+ if (s.find(*p) == s.end()) {
+ unique_c.push_back(*p);
+ s.insert(*p);
+ }
+ }
+ swap(c, unique_c);
}
} // namespace lyx