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iOS Objective-C Basics (Retired) Advanced Objective-C Dynamic Typing

Posted by Paul Hennig
Paul Hennig
1,596 Points

Declare a variable named thing of type id and initialize it to nil.

NSArray *thing = @(@"nil"); for (id thing in nil);

1 Answer

German Espitia
German Espitia
4,578 Points
German Espitia
German Espitia
4,578 Points

You are passing a string to NSArray by using @"nil". Try it like this:

NSArray *things = nil;

and for the for loop:

```for (id thing in things) { ... }

where **thing** is a pointer and **things** is the array you want to loop through.