Header <boost/text/grapheme

Header <boost/text/grapheme_view.hpp>

namespace boost {
  namespace text {
    template<code_point_iter I, std::sentinel_for< I > S = I> 
      struct grapheme_view;
    namespace v1 {
      template<typename Iter, typename Sentinel> 
        constexpr auto as_graphemes(Iter, Sentinel);
      template<typename Range> constexpr auto as_graphemes(Range &&);
    }
  }
}namespace std {
  namespace ranges {
  }
}