func OpenDB(fn string) (db *DB, err error) {
	var s *zdb.Store
	if s, err = zdb.Open(fn); err != nil {
		return
	}

	return &DB{Store: s}, nil
}
// OpenDB opens a DB in/from named file fn. If successful, methods on the
// returned DB can be used for data exchange. OpenDB returns the DB and an
// error, if any.
OpenDB opens a DB in/from named file fn. If successful, methods on the
returned DB can be used for data exchange. OpenDB returns the DB and an
error, if any.
// OpenDB opens a DB in / from named file fn . If successful methods on the // returned DB can be used for data exchange . OpenDB returns the DB and an // error if any .
func OpenDB(fn string) (db *DB, err error) {
	var s *zdb.Store
	if s, err = zdb.Open(fn); err != nil {
		return
	}
	return &DB{Store: s}, nil
}
func OpenDB ( fn string ) ( db * DB , err error ) { var s * zdb . Store if s , err = zdb . Open ( fn ) ; err != nil { return } return & DB { Store : s } , nil }
OpenDB opens a DB in/from named file fn.
OpenDB opens a DB in / from named file fn .