" one two three four "
####
"four three two one"
##
##
private static string reverseWords(string str) {
string[] words = Array.FindAll(str.Split(
new char[] {' ','\t'}),
delegate(string s) {
return !String.IsNullOrEmpty(s); });
int i = words.Length - 1;
if (i < 0)
return String.Empty;
StringBuilder sb = new StringBuilder(words[i]);
while (--i >= 0)
sb.Append(' ').Append(words[i]);
return sb.ToString();
}
##
##
Array.Reverse(words);
return String.Join(" ", words);
##
##
sub reverseWords {
join ' ', reverse split(' ', shift)
}
##
##
sub reverseWords(Str $s) returns Str {
$s.words.reverse.join(' ')
}
##
##
def reverseWords(s)
s.split.reverse.join(' ')
end
##
##
reverseWords = unwords . reverse . words