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

Diego Cueva
Diego Cueva
3,436 Points

why is this wrong? session.dataTaskWithRequest( request, completionHandler: handler)

/* let dataTask = session.dataTaskWithRequest( request ){ (let data, let response, let error) in handler(data, response, error) }*/ session.dataTaskWithRequest( request, completionHandler: handler)

import Foundation

// Add your code below
func fetchTreehouseBlogPosts( handler : (( NSData! , NSURLResponse! , NSError! ) -> Void) ) {
  let blogURL = NSURL(string: "http://blog.teamtreehouse.com/api/")
  let requestURL = NSURL(string: "get_recent_summary/?count=20", relativeToURL: blogURL)

  let request = NSURLRequest(URL: requestURL!)

  let config = NSURLSessionConfiguration.defaultSessionConfiguration()
  let session = NSURLSession(configuration: config)

  let dataTask = session.dataTaskWithRequest( request, completionHandler: handler )