Poll: Primary D version

[Alex Makhotin]

Walter Bright wrote:
> What matters not is the number of bugs, it is whether they block 
> reasonable use of the compiler. Just one bug can make it unusable, 
> whereas a thousand insignificant ones may not.

In Steven's dcollections
excerpt starting from dcollections/model/List.d, line #80:
> // workaround for compiler deficiencies.  Note you MUST repeat this in
>         // derived classes to achieve covariance (see bug 4182).
>         alias concat opCat;
>         alias concat_r opCat_r;
>         alias add opCatAssign;

http://d.puremagic.com/issues/show_bug.cgi?id=4182

Could you please explain is this a bug or feature?


-- 
Alex Makhotin,
the founder of BITPROX,
http://bitprox.com