bones-core 0.23.3

Core data structures, CRDT event model, and projection engine for bones
Documentation 
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use crate::crdt::{EpochPhase, GSet, Lww, Timestamp};
use std::hash::Hash;
use tracing::instrument;

pub trait Merge {
    fn merge(&mut self, other: Self);
}

impl Merge for Timestamp {
    #[instrument(skip(self))]
    fn merge(&mut self, other: Self) {
        if other > *self {
            *self = other;
        }
    }
}

impl<T> Merge for Lww<T> {
    fn merge(&mut self, other: Self) {
        if other.timestamp > self.timestamp {
            *self = other;
        }
    }
}

impl<T: Eq + Hash + Clone> Merge for GSet<T> {
    fn merge(&mut self, other: Self) {
        for element in other.elements {
            self.elements.insert(element);
        }
    }
}

// NOTE: OrSet Merge impl is in orset.rs (proper add-wins OR-Set).

impl Merge for EpochPhase {
    fn merge(&mut self, other: Self) {
        if other.epoch > self.epoch {
            *self = other;
        } else if other.epoch == self.epoch && other.phase > self.phase {
            self.phase = other.phase;
        }
    }
}