y-octo 0.0.3

High-performance and thread-safe CRDT implementation compatible with Yjs
Documentation 
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use std::{
    collections::HashMap,
    hash::{BuildHasher, Hasher},
};

use super::Client;

#[derive(Default)]
pub struct ClientHasher(Client);

impl Hasher for ClientHasher {
    fn finish(&self) -> u64 {
        self.0
    }

    fn write(&mut self, _: &[u8]) {}

    fn write_u64(&mut self, i: u64) {
        self.0 = i
    }
}

#[derive(Default, Clone)]
pub struct ClientHasherBuilder;

impl BuildHasher for ClientHasherBuilder {
    type Hasher = ClientHasher;

    fn build_hasher(&self) -> Self::Hasher {
        ClientHasher::default()
    }
}

// use ClientID as key
pub type ClientMap<V> = HashMap<Client, V, ClientHasherBuilder>;