xxxInPlace or xxxCopy?

[so]

> You have to think of the normal sort as a performance hack, something  
> that is good because copying data wastes a lot of time, if the array is  
> large or if you have to sort an many small arrays. Normally in Python  
> you prefer sorted(), that returns a sorted copy, unless performance is  
> important. I'd like something like sorted() in D too.

I didn't know that, this solution is what i meant.
So, they didn't blindly enforce functional language rules to a  
non-functional language.