Reverse a string: Difference between revisions

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@implementation NSString (Extended)
-(NSString *) reverseString
{
NSUInteger len = [self length];
NSInteger l;
NSMutableString *ostr rtr= [NSMutableString stringWithCapacity:[self length] len];
// unichar buf[1];
for(l=[self length]-1; l>=0; l--)
{
while (len > (NSUInteger)0) {
[ostr appendFormat:@"%C", unichar uch = [self characterAtIndex:l] --len];
}▼
[rtr appendString:[NSString stringWithCharacters:&uch length:1]];
return ostr;▼
▲ }
▲ return ostrrtr;
}
@end</lang>
Retrieved from "https://rosettacode.org/wiki/Reverse_a_string"