viewcontroller-validations.swift

    @IBAction func save() {
        
        var errors = [String]()
        
        if (viewModel.newPassword.value?.count)! < 8 {
            errors.append("Password should be at least 8 characters long")
        }
        if viewModel.newPassword.value != viewModel.confirmPassword.value {
            errors.append("Password is not matching")
        }
        
        if errors.count == 0 {
            // update the password
        } else {
            // show the errors 
        }
    }