package main import ( "fmt" "os" "github.com/kr/text" ) func stringSetToSlice(s2b map[string]bool) []string { ss := make([]string, 0, len(s2b)) for s := range s2b { ss = append(ss, s) } return ss } func printToStderr(xs ...interface{}) { fmt.Fprintln(os.Stderr, xs...) } func indent(s string) string { return text.Indent(s, "\t") }