tree 66791af8f0f8834513d5266e16f3d2275ab67e2b
parent 96d89f8159d10b83472329e3f5046ec9c63ca5fd
author Gary Gregory <garydgregory@gmail.com> 1610892535 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610892535 -0500

Use isEmpty().