func (t *Trie) printDebug() {
	fmt.Print("<trie>\n")
	t.root.printDebug(0)
	fmt.Print("</trie>\n")
}
func (t *Trie) printDebug() {
	fmt.Print("<trie>\n")
	t.root.printDebug(0)
	fmt.Print("</trie>\n")
}
func ( t * Trie ) printDebug ( ) { fmt . Print ( " \n " ) t . root . printDebug ( 0 ) fmt . Print ( " \n " ) }
// Private function for now.
Private function for now .