xrad

import 'dart:ffi';
import 'dart:isolate';
import 'dart:io';
import 'package:ffi/ffi.dart';

void newIsolate(SendPort sendPort) {
  final ptr = calloc.allocate<Int>(100);
  ptr[0] = 42;
  sendPort.send(ptr.address);
  sleep(const Duration(seconds: 1));