Overloads not returning appropriate info. [Field reflunkory]

[Alex]

On Wednesday, 10 April 2019 at 14:06:53 UTC, Adam D. Ruppe wrote:
> On Wednesday, 10 April 2019 at 10:18:35 UTC, H. S. Teoh wrote:
>> [...]
>
> There's a little bit weird about it, but it makes sense.
>
> I used to find it hard to even remember how it works, but then 
> I had to describe it for the book and it all came together. 
> Consider this.
>
> [...]

I wonder if there are some interesting patterns of nesting is's?

is(...is(...is(...)...)...)