Bartosz Milewski seems to like D more than C++ now :)

[Joseph Rushton Wakeling]

On 20/09/13 17:28, Andrei Alexandrescu wrote:
> Why would there be a performance loss?

Depends on the particular case, but my experience is that _in practice_ stuff 
based around range interfaces can often be slower than raw iteration.

I don't think anyone's saying a performance loss is inevitable or unavoidable, 
but there currently is one.