Pattern matching

[Almar Aubel]

Checks on isSuccess with pattern matching are not recognized as correct check for isSuccess

 return result switch
        {
            { IsSuccess: true } => Ok(result.Value),
            { Error: var err } when err == Foo.Error.NotFound
                => NotFound(),
            _ => InternalServerError(result.Error.UserFriendlyName)
        };