Method commit

fendermint/storage/src/im.rs:125–130

An exclusive lock has already been taken.

(mut self)

impl<S: KVStore> KVTransaction for Transaction<'_, S, Write> {
    // An exclusive lock has already been taken.
    fn commit(mut self) -> KVResult<()> {
        let mut guard = self.backend.data.lock().unwrap();
        *guard = mem::take(&mut self.data);
        mem::take(&mut self.token);
        Ok(())
    }

    fn rollback(mut self) -> KVResult<()> {
        mem::take(&mut self.token);