import UIKit
import Shhwift

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        Shh(url: "http://localhost:8545").version { (version, error) in
            print("version: \(version), error: \(error)")
        }
    }
}

import UIKit

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
    }
}

--- 
+++ 
@@ -1,8 +1,12 @@
 import UIKit
+import Shhwift
 
 class ViewController: UIViewController {
 
     override func viewDidLoad() {
         super.viewDidLoad()
+        Shh(url: "http://localhost:8545").version { (version, error) in
+            print("version: \(version), error: \(error)")
+        }
     }
 }
Add call to Shh.version in demo app.
