tree 56f1699d57ac8a08e9fdbcdd05c179e287a041fd
parent 371a364ce0a45ba2e18f123fdef304f824476fff
author Gary Gregory <garydgregory@gmail.com> 1610853512 -0500
committer Gary Gregory <garydgregory@gmail.com> 1610853512 -0500

Use isEmpty().