dd3c6d1303After some discussion with PVH I realise that the repo structure in the last reorg was very rust-centric. In an attempt to put each language on a level footing move the rust code and project files into ./rust
44 lines
1 KiB
Rust
44 lines
1 KiB
Rust
use crate::{
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clock::{Clock, ClockData},
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Change, ChangeHash,
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};
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use std::collections::HashMap;
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pub(crate) struct Clocks(HashMap<ChangeHash, Clock>);
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#[derive(Debug, thiserror::Error)]
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#[error("attempted to derive a clock for a change with dependencies we don't have")]
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pub struct MissingDep(ChangeHash);
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impl Clocks {
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pub(crate) fn new() -> Self {
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Self(HashMap::new())
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}
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pub(crate) fn add_change(
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&mut self,
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change: &Change,
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actor_index: usize,
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) -> Result<(), MissingDep> {
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let mut clock = Clock::new();
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for hash in change.deps() {
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let c = self.0.get(hash).ok_or(MissingDep(*hash))?;
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clock.merge(c);
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}
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clock.include(
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actor_index,
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ClockData {
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max_op: change.max_op(),
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seq: change.seq(),
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},
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);
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self.0.insert(change.hash(), clock);
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Ok(())
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}
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}
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impl From<Clocks> for HashMap<ChangeHash, Clock> {
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fn from(c: Clocks) -> Self {
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c.0
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}
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}
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