tree 0f6d41a1d3833e90d37669adcaa5f7a1f090c610
parent 605f5165a770dc6a265e003195d6a097977adf19
author Gary Gregory <gardgregory@gmail.com> 1610891981 -0500
committer Gary Gregory <gardgregory@gmail.com> 1610891981 -0500

Use isEmpty().