sort.Strings(closestCommands)
		// Suggest other close commands - allow missed, wrongly added and
		// even transposed characters
		for _, value := range commandsTree.Walk(commandsTree.Root()) {
			if sort.SearchStrings(closestCommands, value) < len(closestCommands) {
				continue
			}
			// 2 is arbitrary and represents the max
			// allowed number of typed errors
			if words.DamerauLevenshteinDistance(command, value) < 2 {

pkg sort, func IsSorted(Interface) bool
pkg sort, func Search(int, func(int) bool) int
pkg sort, func SearchFloat64s([]float64, float64) int
pkg sort, func SearchInts([]int, int) int
pkg sort, func SearchStrings([]string, string) int
pkg sort, func Sort(Interface)
pkg sort, func Strings([]string)
pkg sort, func StringsAreSorted([]string) bool
pkg sort, method (Float64Slice) Len() int