/// <summary>
/// Safe waiting for disposables
/// </summary>
/// <param name="disposables"></param>
/// <returns></returns>
public static Task DisposeAsync(IEnumerable <IAsyncDisposable> disposables)
{
return(Try.Async(() => Task.WhenAll(disposables
.Where(d => d != null)
.Select(d => d.DisposeAsync().AsTask()))));
}