Compare boost::hana to D

[Nicholas Wilson via Digitalmars-d]

On Wednesday, 19 April 2017 at 08:19:52 UTC, Ali Çehreli wrote:
> I'm brushing up on my C++ to prepare for my C++Now 2017 
> presentation[1]. boost::hana is an impressive library that 
> overlaps with many D features:
>
>   
> http://www.boost.org/doc/libs/1_64_0_b2/libs/hana/doc/html/index.html
>
> Have you used boost::hana? What are your thoughts on it?
>
> And please share your ideas for the presentation. There has 
> been threads here about C++ closing the gap. Does D still bring 
> competitive advantage or is it becoming irrelevant? (Obviously, 
> some think its irrelevant already.) I'm trying to collect 
> opinions... :)
>
> Thank you,
> Ali
>
> [1] 
> http://cppnow.org/2017-conference/announcements/2017/04/09/d-keynote.html

Even if it offers comparable features I would show the code it 
takes to do something (probably slightly non-trivial), the error 
message you get if you do something wrong and the compile time 
taken, which I suspect D should win significantly in.