displayColorsFonts.go

func colors(colorNames map[string]tcell.Color) string {
	var names []string
	for name := range colorNames {
		names = append(names, name)
	}
	sort.Strings(names)
	return strings.Join(names, ", ")
}

func fonts(names []string) string {
	sort.Slice(names, func(i, j int) bool {
		ii, _ := strconv.Atoi(names[i])
		jj, _ := strconv.Atoi(names[j])
		return ii < jj
	})
	return strings.Join(names, ", ")
}