tree 0a923294f2a5b71570a1883d930f588a621c48c0
parent cd00564865f767627ac6020d111e8faf8f52b6a1
author Gary Gregory <garydgregory@gmail.com> 1610854202 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610854202 -0500

Use isEmpty().