tree c01724c0bcd102d485c89ed84f87b304d7789d93
parent e10e8a6d2115082909c1afe44c46cf7c0aaa689d
author Gary Gregory <garydgregory@gmail.com> 1610896320 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610896320 -0500

Use isEmpty().