gistfile1.swift

func fetch(method: String, body: (NSString, NSData)!, completion: (NSData -> Void)) {
		let request = self.request()
		request.HTTPMethod = method
		
		if body != nil {
			let mime = body.0
			let data = body.1
			request.setValue(mime, forHTTPHeaderField: Networking.mimeHTTPHeaderField)
			request.HTTPBody = data;
		}
		
		NSURLConnection.sendAsynchronousRequest(request, queue: Networking.operationQueue){(response: NSURLResponse!, data: NSData!, error: NSError!) in
			completion(data)
		}
	}
	
	func GET(completion: (NSData -> Void)) {
		fetch("GET", body: nil, completion:completion)
	}