Function field

cpp/fory/row/schema.h:581–584

}

inline FieldPtr field(std::string name, DataTypePtr type,
                      bool nullable = true) {
  return std::make_shared<Field>(std::move(name), std::move(type), nullable);
}

inline FieldPtr field(std::string name, DataTypePtr type, bool nullable,
                      std::unordered_map<std::string, std::string> metadata) {