C++ STL Remove all consecutive duplicates from the string

remove_consecutive_duplicates.cpp

// Input  : aabbccaabb
// Output : abcab?????
//               ^ return iterator

#include <string>
#include <algorithm>

std::string RemoveConecutiveDup(std::string str)
{
    auto itr = std::unique(str.begin(), str.end());
    return std::string(str.begin(), itr);
}

std::cout << RemoveConecutiveDup("aabbccaabb"); // abcab