Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

iOS Closures in Swift 2 Closures in Cocoa Touch Using the Networking Code

Andrea Miotto
seal-mask
.a{fill-rule:evenodd;}techdegree seal-36
Andrea Miotto
iOS Development Techdegree Graduate 23,357 Points

What about Callback hell?

I know that this video is showing us just some useful way to use closures, but if we use closures like callbacks, we are going to face the callback hell problem. Shouldn't we use deferred instead? And is there a course about deferred?

1 Answer

Anthony Boutinov
Anthony Boutinov
13,844 Points

It is not part of Swift language.

But if you really want this functionality, there are libraries for it.