What's missing to make D2 feature complete?

[Martin Nowak via Digitalmars-d]

On Sunday, 21 December 2014 at 12:48:42 UTC, Dicebot wrote:
> On Sunday, 21 December 2014 at 12:26:04 UTC, Jacob Carlborg 
> wrote:
>> On 2014-12-21 10:46, Dicebot wrote:
> Stuff that immediately comes to my mind:
>
>  - some way to define implicit conversion from literals (done 
> at CT)

Any ideas on that? It's an outstanding problem for the library AA 
work.

>  - solve the issue with impossibility of stripping head const 
> for user-defined container types same as it is down for arrays

Yeah, that's as annoying as the ConstRange thingie.
We hit both issues when working on Array.
https://github.com/D-Programming-Language/phobos/pull/2631#issuecomment-61255792
Would be great to formalize the language deficiencies and 
prescribe some treatment.