Initialize array of objects not work

[Andre Pany via Digitalmars-d-learn]

On Thursday, 4 August 2016 at 13:48:46 UTC, Steven Schveighoffer 
wrote:
> On 8/3/16 2:34 PM, Ali Çehreli wrote:
>
>> void main() {
>>     Element[] elements = cast(Element[])[ 
>> quadraticCoefficient(1),
>> linearCoefficient(2), equals(), constant(1) ];
>
> is the cast necessary? I assumed the compiler would infer the 
> common base type...
>
> -Steve

I just tested it. The compiler cannot infer interface Element.
By changing the type from interface to class the compiler
is happy without the cast.
Does it worth to open an enhancement request for this specific 
issue?

Kind regards
André