Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
I want to create a method that can take an NSMutableArray or an NSArray object.
I think I can just use (id) as the parameter type… or convert the NSArray to NSMutableArray before passing. However I’m not really happy with these solutions.
In other languages I might pass an IList or some shared object that they both inherit from…
I need to enumerate through the array in my method.
What is the way people would typically do this in objective c?
Take
NSArray.NSMutableArrayderives fromNSArray, so as long as you’re only using theNSArraymembers (such as read-only enumeration), you’ll be safe.Relevant documentation (from Apple’s developer site):