tree fc187ad5ac6eac57da508a444fde7387d2bc59be
parent 611118338bd16ea706cc126beacf2ff0e94f3188
author Gary Gregory <garydgregory@gmail.com> 1610896256 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610896256 -0500

Use isEmpty().