What is your favorite D feature? [Call for snippets]

[Seb via Digitalmars-d]

On Thursday, 22 June 2017 at 06:27:11 UTC, Ecstatic Coder wrote:
> Absolutely no syntactic noise !!!
>
> This is often overlooked, while D easily beats all its direct 
> competitors (C++, Java, C#, etc) on that point.
>
> Just try to implement the same code as simply in C++ and you 
> will be convinced that this is D's strongest feature...
>
> And this is also what makes D feel like a super-powered 
> JavaScript when I use it :)


Thanks a lot, but I was looking for small snippets (< 10 LoC) 
than could be used to show the awesomeness of D at the roulette 
on https://dlang.org
Any chance you could make your point a bit conciser? :)