The argument checking via {checkmate} is tediously repetitive to test. Also, the VSA arguments to the operators will be all of the same "type". Look at {patrick} and {autotest} as possible ways to simplify/automate testing. [https://ropensci.slack.com/archives/C026GCWKC/p1665368771849799?thread_ts=1665305988.911269&cid=C026GCWKC](https://ropensci.slack.com/archives/C026GCWKC/p1665368771849799?thread_ts=1665305988.911269&cid=C026GCWKC) [https://ropensci.slack.com/archives/C026GCWKC/p1665382314171099?thread_ts=1665305988.911269&cid=C026GCWKC](https://ropensci.slack.com/archives/C026GCWKC/p1665382314171099?thread_ts=1665305988.911269&cid=C026GCWKC)