code: func ConfirmPassword(previous string) Func {
  	return func(input string) error {
  		err := Password(input)
  		if err != nil {
  			return err
  		}
  
  		if input != previous {
  			return NewValidationError("The password you provided does not match the previous password you provided!")
  		}
  
  		return nil
  	}
  }
docs: // ConfirmPassword ensures the input meets the password requirements and
  // matches the previously provided password