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iOS Build a Weather App with Swift Managing Complexity Callback Methods With Closures

Posted by Sahil Ambardekar
Sahil Ambardekar
10,306 Points

Whats wrong?

What am I doing wrong?

Callbacks.swift 
import Foundation

// Add your code below



func fetchTreehouseBlogPosts(closure: (NSData!, NSURLResponse!, NSError!) -> Void) {


}

1 Answer

Elijah Townsend
Elijah Townsend
16,007 Points

typealias BlogPostCompletion = ((NSData!, NSURLResponse!, NSError!) -> Void)

// Add your code below func fetchTreehouseBlogPosts (completion: BlogPostCompletion) { }