code: func TooShort(name, in string, min int64) *Validation {
  	var msg string
  	if in == "" {
  		msg = fmt.Sprintf(tooShortMessageNoIn, name, min)
  	} else {
  		msg = fmt.Sprintf(tooShortMessage, name, in, min)
  	}
  
  	return &Validation{
  		code:    TooShortFailCode,
  		Name:    name,
  		In:      in,
  		message: msg,
  	}
  }
docs: // TooShort error for when a string is too short