What's missing to make D2 feature complete?

[Daniel Murphy via Digitalmars-d]

"Ola Fosheim Grøstad" " wrote in message 
news:gkhgxlioxkzmxbiazfwn at forum.dlang.org...

> On Tuesday, 23 December 2014 at 01:42:49 UTC, ketmar via Digitalmars-d 
> wrote:
> > i really really hate immutable integer args, for example, and can't
> > see any sense in doing it. that's why i wondered.
>
> It might be a bit annoying for short functions, but in principle the 
> function signature should be written for the user (document an 
> encapsulated interface) and exposing irrelevant aspects of the 
> implementation in the interface is "bad taste".

Making value parameters immutable, and therefore making the fact that 
they're not modified inside the function visible externally, _IS_ "exposing 
irrelevant aspects of the implementation in the interface".  The caller 
doesn't care what you do with them.