Why can't structs be derived from?
Steven Schveighoffer
schveiguy at yahoo.com
Tue Mar 15 06:33:27 PDT 2011
On Tue, 15 Mar 2011 09:28:50 -0400, dsimcha <dsimcha at yahoo.com> 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;
> }
Wow, I find it strange that we came up with the almost the same code ;)
-Steve
More information about the Digitalmars-d
mailing list