readBytes method
Copies len bytes at ptr out of the module heap.
Implementation
Uint8List readBytes(int ptr, int len) {
if (len == 0) return Uint8List(0);
final heap = module.heapU8;
return (heap.callMethod('slice'.toJS, ptr.toJS, (ptr + len).toJS) as JSUint8Array).toDart;
}