use std::{error::Error, fmt::Debug};
use crate::{
par_sink::{DistributedSink, ParallelSink}, par_stream::{DistributedStream, ParallelStream}
};
pub trait Source: Clone + Debug {
type Item;
type Error: Error;
type ParStream: ParallelStream<Item = Result<Self::Item, Self::Error>>;
type DistStream: DistributedStream<Item = Result<Self::Item, Self::Error>>;
fn par_stream(self) -> Self::ParStream;
fn dist_stream(self) -> Self::DistStream;
}
pub trait Destination: Clone + Debug {
type Item;
type Error: Error;
type ParSink: ParallelSink<Self::Item>;
type DistSink: DistributedSink<Self::Item>;
fn par_sink(self) -> Self::ParSink;
fn dist_sink(self) -> Self::DistSink;
}