{"gopher.txt", "Gopher names:\nGeorge\nGeoffrey\nGonzo"},
		{"todo.txt", "Get animal handling license."},
	}
	for _, file := range files {
		hdr := &tar.Header{
			Name: file.Name,
			Mode: 0600,
			Size: int64(len(file.Body)),
		}
		if err := tw.WriteHeader(hdr); err != nil {
			log.Fatal(err)
		}
		if _, err := tw.Write([]byte(file.Body)); err != nil {
			log.Fatal(err)
		}
	}
	if err := tw.Close(); err != nil {

	// 	items = append(items, buf.String())
	// }
	// sort.Strings(items)
	// fmt.Println(strings.Join(items, "\n"))

	// Output:
	// InitOrder: [c = "hello" b = S(c) a = len(b)]
	//
	// Defs and Uses of each named object:
	// builtin len:
	//   defined at <unknown position>
	//   used at 6:15
	// func fib(x int) int:
	//   defined at fib:8:6
	//   used at 12:20, 12:9
	// type S string: