wstring to int с делемиттером

#include <boost/algorithm/string.hpp>
#include <boost/lexical_cast.hpp>
#include <iostream>
#include <string>
#include <vector>
 
int main()
{
   const std::wstring s = L"333, 555, 666, 777, 888";
   std::vector<std::wstring> v;
   boost::split(v, s, boost::is_any_of(" ,"), boost::token_compress_on);
   std::vector<int> ints(v.size());
   std::transform(v.begin(), v.end(), ints.begin(), [](const std::wstring& w) 
   { 
      return boost::lexical_cast<int>(w);
   });
   for (int i : ints)
   {
      std::cout << i << std::endl;
   }
}

#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <iterator>
#include <sstream>
 
int main()
{
   std::wstring s = L"333, 555, 666, 777, 888";
   std::replace(s.begin(), s.end(), ',', ' ');
   std::wistringstream wss(s);
   std::vector<int> ints;
   int current = 0;
   while (wss >> current)
   {
      ints.push_back(current);
   }
   for (int i : ints)
   {
      std::cout << i << std::endl;
   }
}

std::stringstream ss ( "1, 2, 3," );
ss << treatCommaAsWhitespace;
int value;
while( ss >> value )
{
   // выводим числа
}

#include <iostream>
#include <string>
#include <sstream>
 
template<class charT>
std::basic_istream<charT>& treatCommaAsWhitespace(std::basic_istream<charT>& is)
{
    charT c;
 
    while (is && is.get(c))
    {
        if (c != ',')
        {
            is.putback(c);
            break;
        }
    }
 
    return is;
}
 
int main() 
{
    std::istringstream ss ("132,,2, 3," );
    int value;
    while(ss >> treatCommaAsWhitespace >> value )
    {
        std::cout << value << std::endl;
    }   
}

while(c!=' ' || c!=',') {
char c = is.get();
arr.push_back(c);
}
string s(arr.begin(), arr.end());
sscanf(s.c_str(), "%d", &i);