add example

examples/udp_client/main.go

@@ -0,0 +1,38 @@
+package main
+
+import (
+	"log/slog"
+	"net"
+
+	freeD "github.com/jwetzell/free-d-go"
+)
+
+func main() {
+	addr, err := net.ResolveUDPAddr("udp", "0.0.0.0:3333")
+	if err != nil {
+		slog.Error("error decoding", "err", err)
+		return
+	}
+
+	client, err := net.ListenUDP("udp", addr)
+	if err != nil {
+		slog.Error("error decoding", "err", err)
+		return
+	}
+	defer client.Close()
+
+	for {
+		buffer := make([]byte, 2048)
+
+		length, _, err := client.ReadFromUDP(buffer)
+		if err != nil {
+			slog.Error("error decoding", "err", err)
+		} else if length > 0 {
+			message, err := freeD.Decode(buffer[0:length])
+			if err != nil {
+				slog.Error("error decoding", "err", err)
+			}
+			slog.Info("decoded", "message", message)
+		}
+	}
+}