gistfile1.cs

internal static class AsyncHelper {
  private static readonly TaskFactory taskFactory = new TaskFactory(CancellationToken.None, TaskCreationOptions.None, TaskContinuationOptions.None, TaskScheduler.Default);
  
  public static TResult RunSync<TResult>(this Func<Task<TResult>> func) {
    return taskFactory.StartNew(func).Unwrap().GetAwaiter().GetResult();
  }
  
  public static void RunSync(this Func<Task> func) {
    taskFactory.StartNew(func).Unwrap().GetAwaiter().GetResult();
  }
}