Extracting the first and last name from a stream into variables

gistfile1.cpp

#include <iostream>
#include <string>
#include <locale>
#include <sstream>

template<
    class charT,
    class iter_type,
    class string_iterator_type
>
void basic_get_name(iter_type beg, iter_type end, std::ios_base& str,
                    string_iterator_type it1, string_iterator_type it2)
{
    auto ctypeFacet = &std::use_facet<std::ctype<charT>>(str.getloc());
    typedef std::ctype_base base_type;

    while (beg != end)
    {
        if (ctypeFacet->is(base_type::alpha | base_type::punct, *beg))
            *it1++ = *beg;
        else if (ctypeFacet->is(base_type::space, *beg))
        {
            if (ctypeFacet->is(base_type::alpha, *++beg))
            {
                while (ctypeFacet->is(base_type::alpha, *beg) && (beg != end))
                    *it2++ = *beg++;
                break;
            }
            break;
        }
        ++beg;
    }
}

template<class charT>
void get_name(std::basic_istream<charT>& is, std::basic_string<charT>& first,
                                             std::basic_string<charT>& last)
{
     typedef std::back_insert_iterator<std::basic_string<charT>> str_iter;
     typedef std::istreambuf_iterator<charT> iter_type;

     basic_get_name<charT>(iter_type(is), iter_type(), is,
                           str_iter(first), str_iter(last));
}

int main()
{
    std::istringstream ss("Stroustrup, Bjarne  8   8   -1  -1  -1");
    std::string first, last;
    get_name(ss, first, last);
    
    std::cout << first << last; // Stroustrup, Bjarne
}