// objectToCell returns a cell containing the data boxed in the object.
func objectToCell(o *triple.Object) (*table.Cell, error) {
c := &table.Cell{}
if n, err := o.Node(); err == nil {
c.N = n
return c, nil
}
if p, err := o.Predicate(); err == nil {
c.P = p
return c, nil
}
if l, err := o.Literal(); err == nil {
c.L = l
return c, nil
}
return nil, fmt.Errorf("unknown object type in object %q", o)
}
