tree df385bdb6a1042c567f9d92f8c194e7cd54edf9c
parent 3f83327db2ce2bfb1115aaf9d2aabd0d0fccd946
author Gary Gregory <garydgregory@gmail.com> 1610895786 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610895786 -0500

Use isEmpty().