import { HalfReader } from "https://deno.land/std@0.42.0/io/iotest.ts";
HalfReader returns a Reader that implements Read by reading half as many requested bytes from r.
import { HalfReader } from "https://deno.land/std@0.42.0/io/iotest.ts";
HalfReader returns a Reader that implements Read by reading half as many requested bytes from r.