Swift 3 triggering segue causes crash -


hi trying perform segue entering specific word in textfield. far noob skills brought me this. don't error, simulator crashes.

any hints?

import uikit

class codewordvc: uiviewcontroller, uitextfielddelegate { @iboutlet weak var passwordinput: uitextfield!

override func viewdidload() {     super.viewdidload()

passwordinput.delegate = self }

@ibaction func losbutton(_ sender: uibutton) {     //passwords      let realpassword1 = "rudi"      if passwordinput.text == realpassword1 {  self .performsegue(withidentifier: "rudi", sender: self) }  func dismissbutton(_ sender: uibutton) {     dismiss(animated: true, completion: nil)

got work! can't explain, answer:

import uikit

class codewordvc: uiviewcontroller, uitextfielddelegate {

@iboutlet weak var passwordinput: uitextfield!  override func viewdidload() {     super.viewdidload()    }

let realpassword1 = "rudi"

@ibaction func losbutton(_ sender: uibutton) {      passwordinput.delegate = self     //passwords      if self.passwordinput.text == realpassword1 {          dispatchqueue.main.async(){              self.performsegue(withidentifier: "rudi", sender: self)          }            }     }    func dismissbutton(_ sender: uibutton) {     dismiss(animated: true, completion: nil) }     }

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