package dht

import "net"

func mustListen(addr string) net.PacketConn {
	ret, err := net.ListenPacket("udp", addr)
	if err != nil {
		panic(err)
	}
	return ret
}

func addrResolver(addr string) func() ([]Addr, error) {
	return func() ([]Addr, error) {
		ua, err := net.ResolveUDPAddr("udp", addr)
		return []Addr{NewAddr(ua)}, err
	}
}