autorelease<R> function

R autorelease<R>(R computation())

Implementation

R autorelease<R>(R Function() computation) {
  AutoReleasePool.globalPull ??= AutoReleasePool();
  AutoReleasePool.globalPullReferences++;
  bool isAsync = false;
  releasePoolRef() {
    AutoReleasePool.globalPullReferences--;
    if (AutoReleasePool.globalPullReferences == 0) {
      AutoReleasePool.globalPull!.releaseAll();
      AutoReleasePool.globalPull = null;
    }
  }

  try {
    final result = computation();
    if (result is Future) {
      isAsync = true;
      return (result.whenComplete(() {
        releasePoolRef();
      }) as R);
    }
    return result;
  } finally {
    if (!isAsync) {
      releasePoolRef();
    }
  }
}