code: func (t *OSesTable) ids(c context.Context) map[string]int64 {
  	oses := make(map[string]int64, len(t.current))
  	for _, os := range t.current {
  		oses[os.Name] = os.Id
  	}
  	return oses
  }
docs: // ids returns a map of operating system names to IDs.