Convert wstring to string encoded in UTF-8

Question

I need to convert between wstring and string. I figured out, that using codecvt facet should do the trick, but it doesn\'t seem to work for utf-8 locale.

My idea is,

Answer 1

The Lexertl library has an iterator that lets you do this:

std::string str;
str.assign(
  lexertl::basic_utf8_out_iterator(wstr.begin()),
  lexertl::basic_utf8_out_iterator(wstr.end()));