Array of templated classes or structs

Dandyvica via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Sat Oct 24 10:06:11 PDT 2015


On Saturday, 24 October 2015 at 16:58:58 UTC, qsdfghjk wrote:
> On Saturday, 24 October 2015 at 15:57:09 UTC, Dandyvica wrote:
>> Hi guys,
>>
>> Apart from deriving from the same class and declaring an array 
>> of that
>> root class, is there a way to create an array of templates?
>>
>> This seems not possible since template are compile-time 
>> generated, but just to be sure. For example, it seems logical 
>> to get an array of complex numbers but Complex needs to be 
>> declared with a type.
>>
>> Thanks for any hint.
>
> You can declare an array whose the element type matches to one 
> of the template parameter:
>
> ---
> struct Foo(T)
> {
>     Foo!T[] foos;
>     // typeof(this)[] foos // equivalent
> }
> ---
>
> since it's an array (fixed size whatever is the element type: 
> size_t len + size_t pointer) it doesn't matter if the template 
> declaration is partial.

In that case, all elements have the same type right? I'd like 
different types,
but with the same template.


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