func (x *Index) Delete(c context.Context, id string) error {
	return x.DeleteMulti(c, []string{id})
}
func (x *Index) Delete(c context.Context, id string) error {
	return x.DeleteMulti(c, []string{id})
}
func ( x * Index ) Delete ( c context . Context , id string ) error { return x . DeleteMulti ( c , [ ] string { id } ) }
// Delete deletes a document from the index.
Delete deletes a document from the index .