import { BufWriter } from "https://deno.land/std@0.200.0/io/mod.ts";
return new BufWriter unless writer is BufWriter
Parameters
writer: Writer
The Standard Library has been moved to JSR. See the blog post for details.
import { BufWriter } from "https://deno.land/std@0.200.0/io/mod.ts";
return new BufWriter unless writer is BufWriter