'partial' keyword in C# is very good for project , what's the same thing in D?

[Wyatt via Digitalmars-d]

On Friday, 31 October 2014 at 12:54:30 UTC, FrankLike wrote:
>
>> No human uses partial classes in .NET land other than the 
>> tools themselves.
>>
>
> Very good,It makes your code look very simple ， nice and cool.
>
Does the inverse of the Turing test have a name? How am I 
supposed to react when a human passes it? ;)

-Wyatt