040000 tree 4351b39c1cc5d700ebeaa52884a6a28b4be3700a	cmd
100644 blob e27863e83377ad7d6af4f90f2849d31db9ed0a9d	doc.go
100644 blob 774f04c94a52d7a3f781f0df5b05b849c1ef5f3c	nilness.go
100644 blob 5c1e05b9671545260804ecf1cc76d0d5f41c6dc5	nilness_test.go
040000 tree 3e1e7fb83ca258c8aa0d34922dd942b6b89e6851	testdata