tree 13bde166960e6e2d814fdab349ee2af0d1b97e2a
parent c482839b6c9fa50fa4142c8d5d62f9f1d8b48a46
author Gary Gregory <garydgregory@gmail.com> 1610854564 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610854564 -0500

Use isEmpty().