tree 0cf232863a667da9c2619ac263f3bb884966ddfb
parent df0b07b8cf64ca16c55260a8cd9dcfaced4909c2
author Gary Gregory <garydgregory@gmail.com> 1610892782 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610892782 -0500

Use isEmpty().