The Expressive C++17 Coding Challenge in D

[Ola Fosheim Grøstad]

On Wednesday, 14 February 2018 at 08:53:31 UTC, drug wrote:
> It's sadly that using most C++17 features fails to provide 
> clean and compact solution...

I don't usually use iostream, but this "challenge" was a 
reasonable fit for it. If you look over the 4 submissions then 
the iostream one provides the best encapsulation of the problem:

http://coliru.stacked-crooked.com/a/4675a74c8124750f

C++ blogposts tend to choke on features... usually not good 
examples of maintainable code.