func (cursor *Cursor) Close() error {
if cursor._cursor == nil {
return errors.New("Cursor already closed")
}
C.mdb_cursor_close(cursor._cursor)
cursor._cursor = nil
return nil
}
func (c *Cursor) close() bool {
if c._c != nil {
if c.txn._txn == nil && !c.txn.readonly {
// the cursor has already been released by LMDB.
} else {
C.mdb_cursor_close(c._c)
}
c.txn = nil
c._c = nil
return true
}
return false
}