func (db *DB) readStr(pos uint32) (string, error) {
	b, err := db.readByteSlice(pos)
	if err != nil {
		return "", err
	}
	return string(b), nil
}
// reads a string at position in file
reads a string at position in file
// reads a string at position in file
func (db *DB) readStr(pos uint32) (string, error) {
	b, err := db.readByteSlice(pos)
	if err != nil {
		return "", err
	}
	return string(b), nil
}
func ( db * DB ) readStr ( pos uint32 ) ( string , error ) { b , err := db . readByteSlice ( pos ) if err != nil { return " " , err } return string ( b ) , nil }
reads a string at position in file
reads a string at position in file