tree b5db8e19748d8aec3bb9179b482f012a47678761
parent 9288fcc7084bd492e550d130f566bfcfca9322cc
author Gary Gregory <garydgregory@gmail.com> 1610892605 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610892605 -0500

Use isEmpty().