There is an updated version of this course available, created for Swift 4, iOS 12, Xcode 10. View Latest Version

Get immediate access to this and 4,000+ other videos and books.

Take your career further with a Pro subscription. With unlimited access to over 40+ books and 4,000+ professional videos in a single subscription, it’s simply the best investment you can make in your development career.

ARC with Closures Pro

This video was last updated on May 22 2017

As reference types, closures face the same challenges that classes do when it comes to memory management. Use weak and unowned with closure captures to prevent leaks.