341 // std::reference_wrapper<std::string> - extracts segment to variable
342 //                    std::string_view - checks if segment is equal to variable
358         output = segment;  in operator ()()
364         if (segment == expected)  in operator ()()
377         segment(segmentIn)  in UrlSegmentMatcherVisitor()
381     std::string_view segment;  member in crow::utility::details::UrlSegmentMatcherVisitor
412     // There will be an empty segment at the end if the URI ends with a "/"  in readUrlSegments()
419     for (const auto& segment : segments)  in readUrlSegments()  local
426                 return std::holds_alternative<OrMorePaths>(segment);  in readUrlSegments()
428             res = std::visit(UrlSegmentMatcherVisitor(*fragIt), segment);  in readUrlSegments()
433             res = std::visit(UrlSegmentMatcherVisitor(*it), segment);  in readUrlSegments()