func Left(str string, len int, pad string) string {
	return times(pad, len-utf8.RuneCountInString(str)) + str
}
func Left(str string, len int, pad string) string {
	return times(pad, len-utf8.RuneCountInString(str)) + str
}
func Left ( str string , len int , pad string ) string { return times ( pad , len - utf8 . RuneCountInString ( str ) ) + str }
// Left left-pads the string with pad up to len runes
// len may be exceeded if
Left left - pads the string with pad up to len runes len may be exceeded if