Method truncate_from

atomic-remote/src/sync.rs:207–213

Remove all entries at or after a given sequence number. Used when the remote has diverged and we need to discard our stale cache entries.

(&mut self, from_sequence: u64)

    /// Used when the remote has diverged and we need to discard
    /// our stale cache entries.
    pub fn truncate_from(&mut self, from_sequence: u64) {
        self.entries.retain(|&seq, _| seq < from_sequence);
        self.last_sequence = self.entries.keys().copied().max();
        self.last_state = self
            .last_sequence
            .and_then(|s| self.entries.get(&s).map(|n| n.state.clone()));
    }

    /// Clear all cached state.
    pub fn clear(&mut self) {