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use anyhow::Error;
use serde::{de::DeserializeOwned, Serialize};
use std::fmt::Debug;

pub trait ProtocolData: Serialize + DeserializeOwned + Debug + Send + 'static {}

impl<T> ProtocolData for T where T: Serialize + DeserializeOwned + Debug + Send + 'static {}

pub trait Protocol: Send + 'static {
    type ToServer: ProtocolData;
    type ToClient: ProtocolData;
    type Codec: ProtocolCodec;
}

pub trait ProtocolCodec: Send {
    fn decode<T: ProtocolData>(data: &[u8]) -> Result<T, Error>;
    fn encode<T: ProtocolData>(value: &T) -> Result<Vec<u8>, Error>;
}