Template tuple parameters of classes

[ws]

tsalm Wrote:

> Another question in the same sense : is there a way to do this :
> ( the aim is to work with the type   (T)  of the instance of MyClass    )
> 
> /* --------------------------------------- */
> import tango.io.Stdout;
> 
> class MyClass(T)
> {}
> 
> template Print(U: MyClass!(T),T ...)
> {
>    void Print()
>    {
>      static if (U.length >= 1)
>     {
>       Stdout(T[0].sizeof);
>       Print!(U[1..$]);
>     }
>   }
> }
> 
> void main()
> {
>    auto mine1 = new MyClass!(int);
>    auto mine2 = new MyClass!(double);
>    auto mine3 = new MyClass!(float);
>    Print!(mine1,mine2,mine3);
> }
> /* --------------------------------------- */

If you are looking for variadic template parameters that work together with constraint, i am not sure if it can be done at the moment. Maybe when concept is ready?
http://www.digitalmars.com/d/2.0/concepts.html