utf8 iterator for cpp

string_iterator.cpp

#include <codecvt>
#include <locale>
#include <iostream>
#include <string>

int main()
{
    std::u32string input = U"这是中文";
    std::wstring_convert<std::codecvt_utf8<char32_t>, char32_t> converter;

    for (char32_t c : input)
    {
        std::cout << converter.to_bytes(c) << std::endl;
    }
}