The contextual support is lacking but it can be done. See this comment from a previous discussion where I briefly described how I’ve used the record factory to

The contextual support is lacking but it can be done. See this comment from a previous discussion where I briefly described how I’ve used the record factory to help: https://news.ycombinator.com/item?id=31484527 https://news.ycombinator.com/item?id=31484527