- import { readRange } from "@std/io/read-range";
+ import { ByteSliceStream } from "@std/streams/byte-slice-stream";
+ import { toBytes } from "@std/streams/unstable-to-bytes";

  using file = await Deno.open("example.txt", { read: true });

- const bytes = await readRange(file, { start: 0, end: 9 });
+ const stream = file.readable.pipeThrough(new ByteSliceStream(0, 9));
+ const bytes = await toBytes(stream);