Test for self referential templated Class

[Michel Fortin]

On 2008-06-30 03:56:54 -0400, "Manfred_Nowak" <svv1999 at hotmail.com> said:

> One seem's to need something like
> 
> class C(T){
>   //...
>      !is( T == C!( ... ))
> 
> But this casts one into infinite recursion.

You could add a dummy member in C!(T) and check for its presence. 
Something like:

    struct IsCTemplate {}

    class C(T) {
        static const IsCTemplate isCTemplate;
		//...
    }

Then you can use this go check if you have a C!(...) or not:

    is(T.isCTemplate == IsCTemplate)


-- 
Michel Fortin
michel.fortin at michelf.com
http://michelf.com/