@interface NSString (reverse) -(NSString *) reverseString; @end
@implementation NSString (reverse) -(NSString *) reverseString {
int length = [self length];
NSMutableString *reversedString; reversedString = [[NSMutableString alloc] initWithCapacity: length]; while(length > ) {
[reversedString appendString:[NSString stringWithFormat:@"%C", [self characterAtIndex:--length]]];
}
return [reversedString autorelease];
}
@end