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

Matthew Panton
Matthew Panton
15,228 Points
Posted by Matthew Panton
Matthew Panton
15,228 Points

Help me pls (Code Challenge)

I cannot get past the first stage of this challenge :( Someone please help

Callbacks.swift 
import Foundation

// Add your code below
typealias BlogPostCompletion = (NSData!, NSURLResponse!, NSError!) -> Void

func fetchTreehouseBlogPosts (completion: BlogPostCompletion) {

}

1 Answer

tate
tate
13,435 Points
tate
tate
13,435 Points

what is the question?

Matthew Panton
Matthew Panton
15,228 Points
Matthew Panton
Matthew Panton
15,228 Points

I found out the answer in the end, there needed to be an additional set of parenthesis around the the function type which isn't actually required in swift

((NSData!, NSURLResponse!, NSError!) -> Void)