code: func (v *VerbalExpression) getFlags() string {
  	flags := "misU" // warning, follow Flag const order
  	result := []rune{}
  
  	for i, flag := range flags {
  		if v.flags&(1<<uint(i)) != 0 {
  			result = append(result, flag)
  		}
  	}
  
  	return string(result)
  }
docs: // append modifiers that are activated