struct construct with array

[Ali Çehreli]

On 03/12/2011 02:52 PM, Ali Çehreli wrote:
> On 03/12/2011 10:42 AM, Caligo wrote:
>> struct Test{
>>
>> public double[3] ar_;
>> this(double[3] ar){
>> this.ar_ = ar;
>> }
>> }
>>
>> void main(){
>>
>> double[3] v1 = [1.0, 2.0, 3.0];
>> double[3] v2 = [2.0, 3.0, 4.0];
>>
>> auto t1 = Test(v1[0..$] + v2[0..$]); // error
>>
>> }
>>
>>
>> I want to add those two arrays and call the constructor in one line,
>> but I'm
>> getting an error. Any ideas?
>>
>
> Even a simpler code doesn't work:
>
> double[3] v1 = [1.0, 2.0, 3.0];
> double[3] v2 = [2.0, 3.0, 4.0];
>
> auto result = v1[0..$] + v2[0..$];
>
> Error: Array operation v1[0LU..__dollar] + v2[0LU..__dollar] not
> implemented
>
> The following doesn't work either:
>
> auto result = v1[] + v2[];
> auto result = v1 + v2;
>
> dmd does not implement those features yet.
>
> Ali

I see from the other posts that the problem has something to do with 
auto. This works:

     double[3] v3 = v1[] + v2[];

Ali