🚀 go-pugleaf

Is there a way to identify whether a data type in a template function is a
class or a built-in type?  For example,

template <class T> void
func(T var)
{
    if ( /* test whether T is a built-in type */ )
 	/* do something based on T being a built-in type */;
    else
        /* do something else based on T being a user-define type */;A
}

Will rtti allow me to test for this?  Is there another way of determing this?

Thanks,
Brett
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