Aggregating all your Exceptions

[A9G-Data-Droid]

As a noob here, when I read the instructions in Example 3 - reading root cause from errors:

foreach(IError error in result.Errors)
{
    foreach(ExceptionalError causedByExceptionalError in error.Reasons.OfType<ExceptionalError>())
    {
        Console.WriteLine(causedByExceptionalError.Exception);
    }
}

I think that the .NET construct for a bunch of exceptions is the AggregateException

At first I used this:

IEnumerable<Exception> exceptionalErrors = error.Errors.SelectMany(err => err.Reasons.OfType<ExceptionalError>())
            .Select(ex => ex.Exception);

I don't want to repeat that code everywhere so I made an extension:

    /// <summary>
    /// Aggregates all of the Exceptions from all of the reasons behind all of the errors.
    /// </summary>
    /// <param name="error">When your <see cref="Result"/> ends in failure.</param>
    /// <returns>All of the exceptions that happened when processing the <see cref="Result"/></returns>
    public static AggregateException Exceptions<T>(this Result<T> error)
    {
        IEnumerable<Exception> exceptionalErrors = error.Errors.SelectMany(err => err.Reasons.OfType<ExceptionalError>())
            .Select(ex => ex.Exception);

        return new AggregateException(exceptionalErrors);
    }

Now when I'm interacting with a method that accepts just one Exception, I don't have to manually choose which one to pass in. I share the love and pass them all!

Is this a good feature for the library or did I miss something?