function Deno.iterDeprecatedDeprecatedUse iterateReader from std/streams/iterate_reader.ts instead. Deno.iter will be removed in the future. DeprecatedUse iterateReader from std/streams/iterate_reader.ts instead. Deno.iter will be removed in the future. iter(r: Reader, options?: { bufSize?: number; }): AsyncIterableIterator<Uint8Array>Turns a Reader, r, into an async iterator. Turns a Reader, r, into an async iterator. Parametersr: Readeroptionaloptions: { bufSize?: number; }ReturnsAsyncIterableIterator<Uint8Array>