code: func (e *Error) Exits() string {
  	if len(e.exits) > 0 {
  		exits := make([]string, len(e.exits))
  		for i, ex := range e.exits {
  			exits[i] = ex.String()
  		}
  		return strings.Join(exits, "\n")
  	}
  	return ""
  }
docs: // Exits will return the exits recorded on the error if any are found. You
  // probably want the package-level GetExits.