udp_server

fast rust udp server

Examples echo

```rust

![feature(async_closure)]

use udp_server::UdpServer; use std::cell::RefCell;

[tokio::main]

async fn main()->Result<(),Box> { let mut a = UdpServer::new("0.0.0.0:5555").await?; a.setinput(async move |peer,data|{ let mut unpeer = peer.lock().await; match &unpeer.token { Some(x)=>{ *x.borrowmut()+=1; }, None=>{ unpeer.token=Some(RefCell::new(1)); } } unpeer.send(&data).await?; OK(()) });

a.start().await?;
Ok(())

} ```