func (vg *VisGroups) FromKeyValues(kv *keyvalues.KeyValues) error {
if !strings.EqualFold(kv.Name(), "visgroups") {
return fmt.Errorf("VisGroups: key name was %q, not %q", kv.Name(), "visgroups")
}
*vg = (*vg)[:0]
for subkey := range kv.Each() {
var group VisGroup
if err := group.FromKeyValues(subkey); err != nil {
return err
}
*vg = append(*vg, group)
}
return nil
}
