Question

Okey, I have two strings containing numbers like shown here using debugger:

String 1

(gdb) po [event creator_id]
123456789
(gdb) p [event creator_id]
$1 = (NSString *) 0xad81d10

String 2

(gdb) po [delegate userid]
123456789
(gdb) p [delegate userid]
$2 = (NSString *) 0x7451b40

Now I want to check if they are equal to each other and therein lies the problem.

The if-statement below will for some reason not return true:

if ([[delegate userid] isEqualToString: [event creator_id]]) {

    NSLog(@"They are equal!");

}

Can someone please explain to me how this can happen? Thank you for your time!

Answer 1

It could be because either of below is FALSE

[[delegate userid] isKindOfClass:[NSString class]]

[[event creator_id] isKindOfClass:[NSString class]]

po is “print-object” it prints the description (which is string) of object. The description property is available at NSObject level.

Hope it helps you.