import { BufWriter } from "https://deno.land/x/pogsocket@2.0.0/websocket/deps.ts";
return new BufWriter unless writer is BufWriter
Parameters
writer: Writer
import { BufWriter } from "https://deno.land/x/pogsocket@2.0.0/websocket/deps.ts";
return new BufWriter unless writer is BufWriter