Why can't structs be derived from?

[Jens]

dsimcha wrote:
> On 3/15/2011 9:25 AM, Jens wrote:
>> It seems rather fundamental to be able to compose a new struct from a
>> given struct using inheritance. Why is this not allowed?
>>
>> struct slist_node
>> {
>>      slist_node* next;
>> };
>>
>> template<class T>
>> struct slist_node<T>: public slist_node
>> {
>>      T data;
>> };
>>
>>
>
> Something that has basically that effect is allowed, just not with
> that syntax:
>
> struct slist_node(T)
> {
>     slist_node base;
>     alias base this;
>
>     T data;
> }

That's ugly.