control.addTarget(self, action: #selector(fetchGithubUsers), for: .touchUpInside)

control.onTouchUpInside { fetchGithubUsers() }

let showConfirmAction = control.onTouchUpInside {
    showConfirmationAlert("Close connection?") { 
        connection.close()
    }
}

showConfirmAction.performAction()

control.rmOnTouchUpInside(
  showConfirmationAction
)