import { BufWriter } from "https://deno.land/x/redis@v0.27.0/vendor/https/deno.land/std/io/buffer.ts";
return new BufWriter unless writer is BufWriter
Parameters
writer: Writer
import { BufWriter } from "https://deno.land/x/redis@v0.27.0/vendor/https/deno.land/std/io/buffer.ts";
return new BufWriter unless writer is BufWriter