libs/core/program_options/include/hpx/program_options/detail/utf8_codecvt_facet.hpp
std::codecvt_base::result do_unshift(std::mbstate_t&, char* from,
            char* /*to*/, char*& next) const override
        {
            next = from;
            return ok;
        }
// UTF-8 isn't really stateful since we rewind on partial conversions
UTF-8 isn't really stateful since we rewind on partial conversions
UTF - 8 isn ' t really stateful since we rewind on partial conversions
std::codecvt_base::result do_unshift(std::mbstate_t&, char* from,
            char* , char*& next) const override
        {
            next = from;
            return ok;
        }
std :: codecvt_base :: result do_unshift ( std :: mbstate_t & , char * from , char * , char * & next ) const override { next = from ; return ok ; }
UTF-8 isn't really stateful since we rewind on partial conversions
UTF - 8 isn ' t really stateful since we rewind on partial conversions
/*to*/