code: func Password(input string) error {
  	length := len(input)
  	if length >= 8 {
  		return nil
  	}
  	if length > 0 {
  		return NewValidationError("Passwords must be at least 8 characters")
  	}
  
  	return NewValidationError("Please enter a password")
  }
docs: // Password ensures the input meets password requirements