UDP Server in Hare

udp.ha

use fmt;
use net::udp;
use net::ip;
use strings;

export fn main() void = {
    const listener = udp::listen(ip::LOCAL_V4, 8000)!;

    for (true) {
        let buf: [1024]u8 = [0...];
        let src: ip::addr = ip::ANY_V4;
        let port: u16 = 0;
        
        let s = udp::recvfrom(listener, &buf, &src, &port)!;
        
        let buf = buf[..s];

        fmt::printfln("{}:{} says {}", ip::string(src), port, strings::fromutf8(buf))!;
    };
};