func commandLine(words wordmap.WordsMap) {
fmt.Println("Type q to quit.")
for {
fmt.Print("Enter letters: ")
var letters string
if _, err := fmt.Scanln(&letters); err != nil {
if err != io.EOF {
log.Fatalln(err)
}
return
}
if letters == "q" {
return
}
letters = strings.TrimSpace(letters)
for word := range words.GetWords(letters) {
fmt.Println(word)
}
}
}
