How to check if an instance of NSMutableArray is null or not

iphone, nsarray, nsmutablearray, objective-c

Solution

If you want to check if it is empty:

if ([myMutableArray count] == 0) { ... }

If you want to check if the variable is `nil`:

if (!myMutableArray) { ... }

or:

if (myMutableArray == nil) { ... }

Problem

Original source