import { shutdown } from "https://deno.land/x/deno@v0.28.0/cli/js/net.ts";
Shut down socket send and receive operations.
Matches behavior of POSIX shutdown(3).
const listener = Deno.listen({ port: 80 });
const conn = await listener.accept();
Deno.shutdown(conn.rid, Deno.ShutdownMode.Write);