Method close

crates/stdlib/src/_sqlite3.rs:1088–1092

(&self, vm: &VirtualMachine)

        #[pymethod]
        fn close(&self, vm: &VirtualMachine) -> PyResult<()> {
            self.check_thread(vm)?;
            self.drop_db();
            Ok(())
        }

        fn is_closed(&self) -> bool {
            self.db.lock().is_none()