tree c5398b0540d750f76d88399d0e6b3593868beebe
parent 41a03ea1c1ca4333d2501830a18d2426f2e9e337
author Gary Gregory <garydgregory@gmail.com> 1610851300 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610851300 -0500

Use isEmpty().